Home / 638,995.28-881,856.27-367,151.18

Finding the Fourth Proportional to 638,995.28, 881,856.27 and 367,151.18

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Solution

The fourth proportional to 638,995.28, 881,856.27 and 367,151.18 is: 506,693.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,995.28 : 881,856.27 = 367,151.18 : x
  2. Step 2: Convert to fraction form
    638,995.28/881,856.27 = 367,151.18/x
  3. Step 3: Cross multiply
    638,995.28x = 881,856.27 × 367,151.18
  4. Step 4: Simplify right side
    638,995.28x = 323,774,565,711.62
  5. Step 5: Solve for x
    x = 323,774,565,711.62/638,995.28
  6. Step 6: Final answer
    x = 506,693.21

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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.