Home / 851,269.74-1,174,760.10-469,310.19

Finding the Fourth Proportional to 851,269.74, 1,174,760.10 and 469,310.19

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Solution

The fourth proportional to 851,269.74, 1,174,760.10 and 469,310.19 is: 647,652.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,269.74 : 1,174,760.10 = 469,310.19 : x
  2. Step 2: Convert to fraction form
    851,269.74/1,174,760.10 = 469,310.19/x
  3. Step 3: Cross multiply
    851,269.74x = 1,174,760.10 × 469,310.19
  4. Step 4: Simplify right side
    851,269.74x = 551,326,885,735.42
  5. Step 5: Solve for x
    x = 551,326,885,735.42/851,269.74
  6. Step 6: Final answer
    x = 647,652.39

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Find fourth proportional to 1,702,539.48, 2,349,520.20 and 938,620.38
Double scale
Find fourth proportional to 851,270.74, 1,174,761.48 and 469,311.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.