Home / 527,534.28-791,302.41-128,175.39

Finding the Fourth Proportional to 527,534.28, 791,302.41 and 128,175.39

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Solution

The fourth proportional to 527,534.28, 791,302.41 and 128,175.39 is: 192,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,534.28 : 791,302.41 = 128,175.39 : x
  2. Step 2: Convert to fraction form
    527,534.28/791,302.41 = 128,175.39/x
  3. Step 3: Cross multiply
    527,534.28x = 791,302.41 × 128,175.39
  4. Step 4: Simplify right side
    527,534.28x = 101,425,495,009.69
  5. Step 5: Solve for x
    x = 101,425,495,009.69/527,534.28
  6. Step 6: Final answer
    x = 192,263.33

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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.