Home / 627,119.08-865,092.63-397,270.92

Finding the Fourth Proportional to 627,119.08, 865,092.63 and 397,270.92

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Solution

The fourth proportional to 627,119.08, 865,092.63 and 397,270.92 is: 548,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,119.08 : 865,092.63 = 397,270.92 : x
  2. Step 2: Convert to fraction form
    627,119.08/865,092.63 = 397,270.92/x
  3. Step 3: Cross multiply
    627,119.08x = 865,092.63 × 397,270.92
  4. Step 4: Simplify right side
    627,119.08x = 343,676,145,005.32
  5. Step 5: Solve for x
    x = 343,676,145,005.32/627,119.08
  6. Step 6: Final answer
    x = 548,023.74

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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.