Home / 731,498.18-1,097,340.68-282,347.49

Finding the Fourth Proportional to 731,498.18, 1,097,340.68 and 282,347.49

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Solution

The fourth proportional to 731,498.18, 1,097,340.68 and 282,347.49 is: 423,557.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,498.18 : 1,097,340.68 = 282,347.49 : x
  2. Step 2: Convert to fraction form
    731,498.18/1,097,340.68 = 282,347.49/x
  3. Step 3: Cross multiply
    731,498.18x = 1,097,340.68 × 282,347.49
  4. Step 4: Simplify right side
    731,498.18x = 309,831,386,672.89
  5. Step 5: Solve for x
    x = 309,831,386,672.89/731,498.18
  6. Step 6: Final answer
    x = 423,557.29

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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.