Home / 851,195.28-1,174,657.70-469,235.76

Finding the Fourth Proportional to 851,195.28, 1,174,657.70 and 469,235.76

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Solution

The fourth proportional to 851,195.28, 1,174,657.70 and 469,235.76 is: 647,549.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,195.28 : 1,174,657.70 = 469,235.76 : x
  2. Step 2: Convert to fraction form
    851,195.28/1,174,657.70 = 469,235.76/x
  3. Step 3: Cross multiply
    851,195.28x = 1,174,657.70 × 469,235.76
  4. Step 4: Simplify right side
    851,195.28x = 551,191,398,599.35
  5. Step 5: Solve for x
    x = 551,191,398,599.35/851,195.28
  6. Step 6: Final answer
    x = 647,549.88

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Double scale
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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.