Home / 454,985.40-682,478.10-366,411.90

Finding the Fourth Proportional to 454,985.40, 682,478.10 and 366,411.90

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Solution

The fourth proportional to 454,985.40, 682,478.10 and 366,411.90 is: 549,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,985.40 : 682,478.10 = 366,411.90 : x
  2. Step 2: Convert to fraction form
    454,985.40/682,478.10 = 366,411.90/x
  3. Step 3: Cross multiply
    454,985.40x = 682,478.10 × 366,411.90
  4. Step 4: Simplify right side
    454,985.40x = 250,068,097,329.39
  5. Step 5: Solve for x
    x = 250,068,097,329.39/454,985.40
  6. Step 6: Final answer
    x = 549,617.85

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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.