Home / 851,085.50-1,174,483.95-469,147.82

Finding the Fourth Proportional to 851,085.50, 1,174,483.95 and 469,147.82

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Solution

The fourth proportional to 851,085.50, 1,174,483.95 and 469,147.82 is: 647,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,085.50 : 1,174,483.95 = 469,147.82 : x
  2. Step 2: Convert to fraction form
    851,085.50/1,174,483.95 = 469,147.82/x
  3. Step 3: Cross multiply
    851,085.50x = 1,174,483.95 × 469,147.82
  4. Step 4: Simplify right side
    851,085.50x = 551,006,584,767.49
  5. Step 5: Solve for x
    x = 551,006,584,767.49/851,085.50
  6. Step 6: Final answer
    x = 647,416.25

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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.