Home / 734,757.86-1,013,999.45-408,072.15

Finding the Fourth Proportional to 734,757.86, 1,013,999.45 and 408,072.15

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Solution

The fourth proportional to 734,757.86, 1,013,999.45 and 408,072.15 is: 563,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,757.86 : 1,013,999.45 = 408,072.15 : x
  2. Step 2: Convert to fraction form
    734,757.86/1,013,999.45 = 408,072.15/x
  3. Step 3: Cross multiply
    734,757.86x = 1,013,999.45 × 408,072.15
  4. Step 4: Simplify right side
    734,757.86x = 413,784,935,660.32
  5. Step 5: Solve for x
    x = 413,784,935,660.32/734,757.86
  6. Step 6: Final answer
    x = 563,158.23

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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.