Home / 1,139,348.93-1,572,494.85-656,193.79

Finding the Fourth Proportional to 1,139,348.93, 1,572,494.85 and 656,193.79

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Solution

The fourth proportional to 1,139,348.93, 1,572,494.85 and 656,193.79 is: 905,658.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,348.93 : 1,572,494.85 = 656,193.79 : x
  2. Step 2: Convert to fraction form
    1,139,348.93/1,572,494.85 = 656,193.79/x
  3. Step 3: Cross multiply
    1,139,348.93x = 1,572,494.85 × 656,193.79
  4. Step 4: Simplify right side
    1,139,348.93x = 1,031,861,357,342.60
  5. Step 5: Solve for x
    x = 1,031,861,357,342.60/1,139,348.93
  6. Step 6: Final answer
    x = 905,658.78

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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.