Home / 579,384-869,037.12-158,663.52

Finding the Fourth Proportional to 579,384, 869,037.12 and 158,663.52

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Solution

The fourth proportional to 579,384, 869,037.12 and 158,663.52 is: 237,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,384 : 869,037.12 = 158,663.52 : x
  2. Step 2: Convert to fraction form
    579,384/869,037.12 = 158,663.52/x
  3. Step 3: Cross multiply
    579,384x = 869,037.12 × 158,663.52
  4. Step 4: Simplify right side
    579,384x = 137,884,488,469.86
  5. Step 5: Solve for x
    x = 137,884,488,469.86/579,384
  6. Step 6: Final answer
    x = 237,984.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.