Home / 494,152.20-741,228.30-433,134.90

Finding the Fourth Proportional to 494,152.20, 741,228.30 and 433,134.90

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Solution

The fourth proportional to 494,152.20, 741,228.30 and 433,134.90 is: 649,702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,152.20 : 741,228.30 = 433,134.90 : x
  2. Step 2: Convert to fraction form
    494,152.20/741,228.30 = 433,134.90/x
  3. Step 3: Cross multiply
    494,152.20x = 741,228.30 × 433,134.90
  4. Step 4: Simplify right side
    494,152.20x = 321,051,845,597.67
  5. Step 5: Solve for x
    x = 321,051,845,597.67/494,152.20
  6. Step 6: Final answer
    x = 649,702.35

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Double scale
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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.