Home / 433,363.20-649,785.60-223,411.20

Finding the Fourth Proportional to 433,363.20, 649,785.60 and 223,411.20

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Solution

The fourth proportional to 433,363.20, 649,785.60 and 223,411.20 is: 334,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,363.20 : 649,785.60 = 223,411.20 : x
  2. Step 2: Convert to fraction form
    433,363.20/649,785.60 = 223,411.20/x
  3. Step 3: Cross multiply
    433,363.20x = 649,785.60 × 223,411.20
  4. Step 4: Simplify right side
    433,363.20x = 145,169,380,638.72
  5. Step 5: Solve for x
    x = 145,169,380,638.72/433,363.20
  6. Step 6: Final answer
    x = 334,983.17

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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.