Home / 935,381.16-1,290,520.08-572,426.64

Finding the Fourth Proportional to 935,381.16, 1,290,520.08 and 572,426.64

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Solution

The fourth proportional to 935,381.16, 1,290,520.08 and 572,426.64 is: 789,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,381.16 : 1,290,520.08 = 572,426.64 : x
  2. Step 2: Convert to fraction form
    935,381.16/1,290,520.08 = 572,426.64/x
  3. Step 3: Cross multiply
    935,381.16x = 1,290,520.08 × 572,426.64
  4. Step 4: Simplify right side
    935,381.16x = 738,728,073,246.93
  5. Step 5: Solve for x
    x = 738,728,073,246.93/935,381.16
  6. Step 6: Final answer
    x = 789,761.55

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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.