Home / 684,200.41-944,346.42-397,885.66

Finding the Fourth Proportional to 684,200.41, 944,346.42 and 397,885.66

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Solution

The fourth proportional to 684,200.41, 944,346.42 and 397,885.66 is: 549,169.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,200.41 : 944,346.42 = 397,885.66 : x
  2. Step 2: Convert to fraction form
    684,200.41/944,346.42 = 397,885.66/x
  3. Step 3: Cross multiply
    684,200.41x = 944,346.42 × 397,885.66
  4. Step 4: Simplify right side
    684,200.41x = 375,741,898,590.34
  5. Step 5: Solve for x
    x = 375,741,898,590.34/684,200.41
  6. Step 6: Final answer
    x = 549,169.36

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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.