Home / 913,741.67-1,370,704.31-314,623.55

Finding the Fourth Proportional to 913,741.67, 1,370,704.31 and 314,623.55

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Solution

The fourth proportional to 913,741.67, 1,370,704.31 and 314,623.55 is: 471,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,741.67 : 1,370,704.31 = 314,623.55 : x
  2. Step 2: Convert to fraction form
    913,741.67/1,370,704.31 = 314,623.55/x
  3. Step 3: Cross multiply
    913,741.67x = 1,370,704.31 × 314,623.55
  4. Step 4: Simplify right side
    913,741.67x = 431,255,854,439.38
  5. Step 5: Solve for x
    x = 431,255,854,439.38/913,741.67
  6. Step 6: Final answer
    x = 471,966.93

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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.