Home / 434,579.40-651,869.10-275,147.10

Finding the Fourth Proportional to 434,579.40, 651,869.10 and 275,147.10

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Solution

The fourth proportional to 434,579.40, 651,869.10 and 275,147.10 is: 412,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,579.40 : 651,869.10 = 275,147.10 : x
  2. Step 2: Convert to fraction form
    434,579.40/651,869.10 = 275,147.10/x
  3. Step 3: Cross multiply
    434,579.40x = 651,869.10 × 275,147.10
  4. Step 4: Simplify right side
    434,579.40x = 179,359,892,444.61
  5. Step 5: Solve for x
    x = 179,359,892,444.61/434,579.40
  6. Step 6: Final answer
    x = 412,720.65

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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.