Home / 415,410.20-573,266.36-224,423.52

Finding the Fourth Proportional to 415,410.20, 573,266.36 and 224,423.52

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Solution

The fourth proportional to 415,410.20, 573,266.36 and 224,423.52 is: 309,704.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,410.20 : 573,266.36 = 224,423.52 : x
  2. Step 2: Convert to fraction form
    415,410.20/573,266.36 = 224,423.52/x
  3. Step 3: Cross multiply
    415,410.20x = 573,266.36 × 224,423.52
  4. Step 4: Simplify right side
    415,410.20x = 128,654,454,408.79
  5. Step 5: Solve for x
    x = 128,654,454,408.79/415,410.20
  6. Step 6: Final answer
    x = 309,704.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.