Home / 684,180.23-944,318.60-397,865.48

Finding the Fourth Proportional to 684,180.23, 944,318.60 and 397,865.48

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Solution

The fourth proportional to 684,180.23, 944,318.60 and 397,865.48 is: 549,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,180.23 : 944,318.60 = 397,865.48 : x
  2. Step 2: Convert to fraction form
    684,180.23/944,318.60 = 397,865.48/x
  3. Step 3: Cross multiply
    684,180.23x = 944,318.60 × 397,865.48
  4. Step 4: Simplify right side
    684,180.23x = 375,711,766,351.01
  5. Step 5: Solve for x
    x = 375,711,766,351.01/684,180.23
  6. Step 6: Final answer
    x = 549,141.52

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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.