Home / 684,641.19-944,575.38-394,246.52

Finding the Fourth Proportional to 684,641.19, 944,575.38 and 394,246.52

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Solution

The fourth proportional to 684,641.19, 944,575.38 and 394,246.52 is: 543,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,641.19 : 944,575.38 = 394,246.52 : x
  2. Step 2: Convert to fraction form
    684,641.19/944,575.38 = 394,246.52/x
  3. Step 3: Cross multiply
    684,641.19x = 944,575.38 × 394,246.52
  4. Step 4: Simplify right side
    684,641.19x = 372,395,551,719.80
  5. Step 5: Solve for x
    x = 372,395,551,719.80/684,641.19
  6. Step 6: Final answer
    x = 543,928.06

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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.