Home / 434,572.20-651,858.30-247,948.20

Finding the Fourth Proportional to 434,572.20, 651,858.30 and 247,948.20

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Solution

The fourth proportional to 434,572.20, 651,858.30 and 247,948.20 is: 371,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,572.20 : 651,858.30 = 247,948.20 : x
  2. Step 2: Convert to fraction form
    434,572.20/651,858.30 = 247,948.20/x
  3. Step 3: Cross multiply
    434,572.20x = 651,858.30 × 247,948.20
  4. Step 4: Simplify right side
    434,572.20x = 161,627,092,140.06
  5. Step 5: Solve for x
    x = 161,627,092,140.06/434,572.20
  6. Step 6: Final answer
    x = 371,922.30

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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.