Home / 526,854.20-726,863.10-335,823.80

Finding the Fourth Proportional to 526,854.20, 726,863.10 and 335,823.80

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Solution

The fourth proportional to 526,854.20, 726,863.10 and 335,823.80 is: 463,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,854.20 : 726,863.10 = 335,823.80 : x
  2. Step 2: Convert to fraction form
    526,854.20/726,863.10 = 335,823.80/x
  3. Step 3: Cross multiply
    526,854.20x = 726,863.10 × 335,823.80
  4. Step 4: Simplify right side
    526,854.20x = 244,097,928,321.78
  5. Step 5: Solve for x
    x = 244,097,928,321.78/526,854.20
  6. Step 6: Final answer
    x = 463,312.10

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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.