Home / 527,217.80-790,826.70-153,278.60

Finding the Fourth Proportional to 527,217.80, 790,826.70 and 153,278.60

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Solution

The fourth proportional to 527,217.80, 790,826.70 and 153,278.60 is: 229,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,217.80 : 790,826.70 = 153,278.60 : x
  2. Step 2: Convert to fraction form
    527,217.80/790,826.70 = 153,278.60/x
  3. Step 3: Cross multiply
    527,217.80x = 790,826.70 × 153,278.60
  4. Step 4: Simplify right side
    527,217.80x = 121,216,809,418.62
  5. Step 5: Solve for x
    x = 121,216,809,418.62/527,217.80
  6. Step 6: Final answer
    x = 229,917.90

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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.