Home / 709,748.20-1,062,872.70-471,802.60

Finding the Fourth Proportional to 709,748.20, 1,062,872.70 and 471,802.60

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Solution

The fourth proportional to 709,748.20, 1,062,872.70 and 471,802.60 is: 706,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,748.20 : 1,062,872.70 = 471,802.60 : x
  2. Step 2: Convert to fraction form
    709,748.20/1,062,872.70 = 471,802.60/x
  3. Step 3: Cross multiply
    709,748.20x = 1,062,872.70 × 471,802.60
  4. Step 4: Simplify right side
    709,748.20x = 501,466,103,329.02
  5. Step 5: Solve for x
    x = 501,466,103,329.02/709,748.20
  6. Step 6: Final answer
    x = 706,540.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.