Home / 918,929.46-1,267,936.83-536,882.43

Finding the Fourth Proportional to 918,929.46, 1,267,936.83 and 536,882.43

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Solution

The fourth proportional to 918,929.46, 1,267,936.83 and 536,882.43 is: 740,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,929.46 : 1,267,936.83 = 536,882.43 : x
  2. Step 2: Convert to fraction form
    918,929.46/1,267,936.83 = 536,882.43/x
  3. Step 3: Cross multiply
    918,929.46x = 1,267,936.83 × 536,882.43
  4. Step 4: Simplify right side
    918,929.46x = 680,733,006,376.90
  5. Step 5: Solve for x
    x = 680,733,006,376.90/918,929.46
  6. Step 6: Final answer
    x = 740,789.19

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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.