Home / 527,219.80-790,829.70-153,280.60

Finding the Fourth Proportional to 527,219.80, 790,829.70 and 153,280.60

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Solution

The fourth proportional to 527,219.80, 790,829.70 and 153,280.60 is: 229,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,219.80 : 790,829.70 = 153,280.60 : x
  2. Step 2: Convert to fraction form
    527,219.80/790,829.70 = 153,280.60/x
  3. Step 3: Cross multiply
    527,219.80x = 790,829.70 × 153,280.60
  4. Step 4: Simplify right side
    527,219.80x = 121,218,850,913.82
  5. Step 5: Solve for x
    x = 121,218,850,913.82/527,219.80
  6. Step 6: Final answer
    x = 229,920.90

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Similar ratio
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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.