Home / 942,002.90-1,413,004.35-933,145.55

Finding the Fourth Proportional to 942,002.90, 1,413,004.35 and 933,145.55

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Solution

The fourth proportional to 942,002.90, 1,413,004.35 and 933,145.55 is: 1,399,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,002.90 : 1,413,004.35 = 933,145.55 : x
  2. Step 2: Convert to fraction form
    942,002.90/1,413,004.35 = 933,145.55/x
  3. Step 3: Cross multiply
    942,002.90x = 1,413,004.35 × 933,145.55
  4. Step 4: Simplify right side
    942,002.90x = 1,318,538,721,333.14
  5. Step 5: Solve for x
    x = 1,318,538,721,333.14/942,002.90
  6. Step 6: Final answer
    x = 1,399,718.33

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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.