Home / 731,923.11-1,097,042.13-282,445.20

Finding the Fourth Proportional to 731,923.11, 1,097,042.13 and 282,445.20

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Solution

The fourth proportional to 731,923.11, 1,097,042.13 and 282,445.20 is: 423,342.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,923.11 : 1,097,042.13 = 282,445.20 : x
  2. Step 2: Convert to fraction form
    731,923.11/1,097,042.13 = 282,445.20/x
  3. Step 3: Cross multiply
    731,923.11x = 1,097,042.13 × 282,445.20
  4. Step 4: Simplify right side
    731,923.11x = 309,854,283,816.28
  5. Step 5: Solve for x
    x = 309,854,283,816.28/731,923.11
  6. Step 6: Final answer
    x = 423,342.67

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Half scale
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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.