Home / 1,527,072.43-2,107,385.34-838,807.93

Finding the Fourth Proportional to 1,527,072.43, 2,107,385.34 and 838,807.93

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Solution

The fourth proportional to 1,527,072.43, 2,107,385.34 and 838,807.93 is: 1,157,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,072.43 : 2,107,385.34 = 838,807.93 : x
  2. Step 2: Convert to fraction form
    1,527,072.43/2,107,385.34 = 838,807.93/x
  3. Step 3: Cross multiply
    1,527,072.43x = 2,107,385.34 × 838,807.93
  4. Step 4: Simplify right side
    1,527,072.43x = 1,767,691,534,757.75
  5. Step 5: Solve for x
    x = 1,767,691,534,757.75/1,527,072.43
  6. Step 6: Final answer
    x = 1,157,568.89

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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.