Home / 1,087,767.14-1,500,635.68-724,836.92

Finding the Fourth Proportional to 1,087,767.14, 1,500,635.68 and 724,836.92

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Solution

The fourth proportional to 1,087,767.14, 1,500,635.68 and 724,836.92 is: 999,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,767.14 : 1,500,635.68 = 724,836.92 : x
  2. Step 2: Convert to fraction form
    1,087,767.14/1,500,635.68 = 724,836.92/x
  3. Step 3: Cross multiply
    1,087,767.14x = 1,500,635.68 × 724,836.92
  4. Step 4: Simplify right side
    1,087,767.14x = 1,087,716,144,333.31
  5. Step 5: Solve for x
    x = 1,087,716,144,333.31/1,087,767.14
  6. Step 6: Final answer
    x = 999,953.12

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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.