Home / 454,612.20-680,606.10-402,124.20

Finding the Fourth Proportional to 454,612.20, 680,606.10 and 402,124.20

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Solution

The fourth proportional to 454,612.20, 680,606.10 and 402,124.20 is: 602,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,612.20 : 680,606.10 = 402,124.20 : x
  2. Step 2: Convert to fraction form
    454,612.20/680,606.10 = 402,124.20/x
  3. Step 3: Cross multiply
    454,612.20x = 680,606.10 × 402,124.20
  4. Step 4: Simplify right side
    454,612.20x = 273,688,183,477.62
  5. Step 5: Solve for x
    x = 273,688,183,477.62/454,612.20
  6. Step 6: Final answer
    x = 602,025.60

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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.