Home / 953,300.71-1,315,234.90-539,781.08

Finding the Fourth Proportional to 953,300.71, 1,315,234.90 and 539,781.08

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Solution

The fourth proportional to 953,300.71, 1,315,234.90 and 539,781.08 is: 744,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,300.71 : 1,315,234.90 = 539,781.08 : x
  2. Step 2: Convert to fraction form
    953,300.71/1,315,234.90 = 539,781.08/x
  3. Step 3: Cross multiply
    953,300.71x = 1,315,234.90 × 539,781.08
  4. Step 4: Simplify right side
    953,300.71x = 709,938,909,585.18
  5. Step 5: Solve for x
    x = 709,938,909,585.18/953,300.71
  6. Step 6: Final answer
    x = 744,716.65

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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.