Home / 389,250.75-536,962.08-338,148.75

Finding the Fourth Proportional to 389,250.75, 536,962.08 and 338,148.75

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Solution

The fourth proportional to 389,250.75, 536,962.08 and 338,148.75 is: 466,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,250.75 : 536,962.08 = 338,148.75 : x
  2. Step 2: Convert to fraction form
    389,250.75/536,962.08 = 338,148.75/x
  3. Step 3: Cross multiply
    389,250.75x = 536,962.08 × 338,148.75
  4. Step 4: Simplify right side
    389,250.75x = 181,573,056,149.40
  5. Step 5: Solve for x
    x = 181,573,056,149.40/389,250.75
  6. Step 6: Final answer
    x = 466,468.10

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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.