Home / 527,218.80-790,828.20-153,279.60

Finding the Fourth Proportional to 527,218.80, 790,828.20 and 153,279.60

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Solution

The fourth proportional to 527,218.80, 790,828.20 and 153,279.60 is: 229,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,218.80 : 790,828.20 = 153,279.60 : x
  2. Step 2: Convert to fraction form
    527,218.80/790,828.20 = 153,279.60/x
  3. Step 3: Cross multiply
    527,218.80x = 790,828.20 × 153,279.60
  4. Step 4: Simplify right side
    527,218.80x = 121,217,830,164.72
  5. Step 5: Solve for x
    x = 121,217,830,164.72/527,218.80
  6. Step 6: Final answer
    x = 229,919.40

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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.