Home / 437,531.70-656,297.55-259,947.30

Finding the Fourth Proportional to 437,531.70, 656,297.55 and 259,947.30

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Solution

The fourth proportional to 437,531.70, 656,297.55 and 259,947.30 is: 389,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,531.70 : 656,297.55 = 259,947.30 : x
  2. Step 2: Convert to fraction form
    437,531.70/656,297.55 = 259,947.30/x
  3. Step 3: Cross multiply
    437,531.70x = 656,297.55 × 259,947.30
  4. Step 4: Simplify right side
    437,531.70x = 170,602,776,119.12
  5. Step 5: Solve for x
    x = 170,602,776,119.12/437,531.70
  6. Step 6: Final answer
    x = 389,920.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.