Home / 1,317,151.59-1,817,753.18-807,784.71

Finding the Fourth Proportional to 1,317,151.59, 1,817,753.18 and 807,784.71

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Solution

The fourth proportional to 1,317,151.59, 1,817,753.18 and 807,784.71 is: 1,114,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,151.59 : 1,817,753.18 = 807,784.71 : x
  2. Step 2: Convert to fraction form
    1,317,151.59/1,817,753.18 = 807,784.71/x
  3. Step 3: Cross multiply
    1,317,151.59x = 1,817,753.18 × 807,784.71
  4. Step 4: Simplify right side
    1,317,151.59x = 1,468,353,221,318.95
  5. Step 5: Solve for x
    x = 1,468,353,221,318.95/1,317,151.59
  6. Step 6: Final answer
    x = 1,114,794.40

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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.