Home / 755,619.70-1,133,429.55-194,654.20

Finding the Fourth Proportional to 755,619.70, 1,133,429.55 and 194,654.20

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Solution

The fourth proportional to 755,619.70, 1,133,429.55 and 194,654.20 is: 291,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,619.70 : 1,133,429.55 = 194,654.20 : x
  2. Step 2: Convert to fraction form
    755,619.70/1,133,429.55 = 194,654.20/x
  3. Step 3: Cross multiply
    755,619.70x = 1,133,429.55 × 194,654.20
  4. Step 4: Simplify right side
    755,619.70x = 220,626,822,311.61
  5. Step 5: Solve for x
    x = 220,626,822,311.61/755,619.70
  6. Step 6: Final answer
    x = 291,981.30

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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.