Home / 527,638.24-791,479.50-153,661.24

Finding the Fourth Proportional to 527,638.24, 791,479.50 and 153,661.24

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Solution

The fourth proportional to 527,638.24, 791,479.50 and 153,661.24 is: 230,498.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,638.24 : 791,479.50 = 153,661.24 : x
  2. Step 2: Convert to fraction form
    527,638.24/791,479.50 = 153,661.24/x
  3. Step 3: Cross multiply
    527,638.24x = 791,479.50 × 153,661.24
  4. Step 4: Simplify right side
    527,638.24x = 121,619,721,404.58
  5. Step 5: Solve for x
    x = 121,619,721,404.58/527,638.24
  6. Step 6: Final answer
    x = 230,498.31

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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.