Home / 882,068.32-1,217,217.54-500,120.92

Finding the Fourth Proportional to 882,068.32, 1,217,217.54 and 500,120.92

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Solution

The fourth proportional to 882,068.32, 1,217,217.54 and 500,120.92 is: 690,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,068.32 : 1,217,217.54 = 500,120.92 : x
  2. Step 2: Convert to fraction form
    882,068.32/1,217,217.54 = 500,120.92/x
  3. Step 3: Cross multiply
    882,068.32x = 1,217,217.54 × 500,120.92
  4. Step 4: Simplify right side
    882,068.32x = 608,755,955,944.94
  5. Step 5: Solve for x
    x = 608,755,955,944.94/882,068.32
  6. Step 6: Final answer
    x = 690,146.04

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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.