Home / 527,431.30-791,168.78-153,454.30

Finding the Fourth Proportional to 527,431.30, 791,168.78 and 153,454.30

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Solution

The fourth proportional to 527,431.30, 791,168.78 and 153,454.30 is: 230,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,431.30 : 791,168.78 = 153,454.30 : x
  2. Step 2: Convert to fraction form
    527,431.30/791,168.78 = 153,454.30/x
  3. Step 3: Cross multiply
    527,431.30x = 791,168.78 × 153,454.30
  4. Step 4: Simplify right side
    527,431.30x = 121,408,249,722.47
  5. Step 5: Solve for x
    x = 121,408,249,722.47/527,431.30
  6. Step 6: Final answer
    x = 230,187.80

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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.