Home / 1,157,428.48-1,597,251.08-641,215.92

Finding the Fourth Proportional to 1,157,428.48, 1,597,251.08 and 641,215.92

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Solution

The fourth proportional to 1,157,428.48, 1,597,251.08 and 641,215.92 is: 884,877.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,428.48 : 1,597,251.08 = 641,215.92 : x
  2. Step 2: Convert to fraction form
    1,157,428.48/1,597,251.08 = 641,215.92/x
  3. Step 3: Cross multiply
    1,157,428.48x = 1,597,251.08 × 641,215.92
  4. Step 4: Simplify right side
    1,157,428.48x = 1,024,182,820,733.19
  5. Step 5: Solve for x
    x = 1,024,182,820,733.19/1,157,428.48
  6. Step 6: Final answer
    x = 884,877.85

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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.