Home / 885,815.18-1,222,624.90-541,937.78

Finding the Fourth Proportional to 885,815.18, 1,222,624.90 and 541,937.78

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Solution

The fourth proportional to 885,815.18, 1,222,624.90 and 541,937.78 is: 747,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,815.18 : 1,222,624.90 = 541,937.78 : x
  2. Step 2: Convert to fraction form
    885,815.18/1,222,624.90 = 541,937.78/x
  3. Step 3: Cross multiply
    885,815.18x = 1,222,624.90 × 541,937.78
  4. Step 4: Simplify right side
    885,815.18x = 662,586,624,078.72
  5. Step 5: Solve for x
    x = 662,586,624,078.72/885,815.18
  6. Step 6: Final answer
    x = 747,996.47

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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.