Home / 425,497.20-587,189.70-234,511.08

Finding the Fourth Proportional to 425,497.20, 587,189.70 and 234,511.08

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Solution

The fourth proportional to 425,497.20, 587,189.70 and 234,511.08 is: 323,627.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,497.20 : 587,189.70 = 234,511.08 : x
  2. Step 2: Convert to fraction form
    425,497.20/587,189.70 = 234,511.08/x
  3. Step 3: Cross multiply
    425,497.20x = 587,189.70 × 234,511.08
  4. Step 4: Simplify right side
    425,497.20x = 137,702,490,711.88
  5. Step 5: Solve for x
    x = 137,702,490,711.88/425,497.20
  6. Step 6: Final answer
    x = 323,627.25

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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.