Home / 885,434.20-1,221,592.53-498,187.24

Finding the Fourth Proportional to 885,434.20, 1,221,592.53 and 498,187.24

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Solution

The fourth proportional to 885,434.20, 1,221,592.53 and 498,187.24 is: 687,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,434.20 : 1,221,592.53 = 498,187.24 : x
  2. Step 2: Convert to fraction form
    885,434.20/1,221,592.53 = 498,187.24/x
  3. Step 3: Cross multiply
    885,434.20x = 1,221,592.53 × 498,187.24
  4. Step 4: Simplify right side
    885,434.20x = 608,581,810,925.32
  5. Step 5: Solve for x
    x = 608,581,810,925.32/885,434.20
  6. Step 6: Final answer
    x = 687,325.85

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Double scale
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1.5x scale

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.