Home / 472,961.20-709,441.80-224,129.20

Finding the Fourth Proportional to 472,961.20, 709,441.80 and 224,129.20

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Solution

The fourth proportional to 472,961.20, 709,441.80 and 224,129.20 is: 336,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,961.20 : 709,441.80 = 224,129.20 : x
  2. Step 2: Convert to fraction form
    472,961.20/709,441.80 = 224,129.20/x
  3. Step 3: Cross multiply
    472,961.20x = 709,441.80 × 224,129.20
  4. Step 4: Simplify right side
    472,961.20x = 159,006,623,080.56
  5. Step 5: Solve for x
    x = 159,006,623,080.56/472,961.20
  6. Step 6: Final answer
    x = 336,193.80

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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.