Home / 527,824.97-791,726.36-128,467.97

Finding the Fourth Proportional to 527,824.97, 791,726.36 and 128,467.97

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Solution

The fourth proportional to 527,824.97, 791,726.36 and 128,467.97 is: 192,699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,824.97 : 791,726.36 = 128,467.97 : x
  2. Step 2: Convert to fraction form
    527,824.97/791,726.36 = 128,467.97/x
  3. Step 3: Cross multiply
    527,824.97x = 791,726.36 × 128,467.97
  4. Step 4: Simplify right side
    527,824.97x = 101,711,473,663.72
  5. Step 5: Solve for x
    x = 101,711,473,663.72/527,824.97
  6. Step 6: Final answer
    x = 192,699.25

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1.5x scale

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.