Home / 434,555.40-651,833.10-275,123.10

Finding the Fourth Proportional to 434,555.40, 651,833.10 and 275,123.10

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Solution

The fourth proportional to 434,555.40, 651,833.10 and 275,123.10 is: 412,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,555.40 : 651,833.10 = 275,123.10 : x
  2. Step 2: Convert to fraction form
    434,555.40/651,833.10 = 275,123.10/x
  3. Step 3: Cross multiply
    434,555.40x = 651,833.10 × 275,123.10
  4. Step 4: Simplify right side
    434,555.40x = 179,334,343,154.61
  5. Step 5: Solve for x
    x = 179,334,343,154.61/434,555.40
  6. Step 6: Final answer
    x = 412,684.65

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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.