Home / 955,681.67-1,318,870.61-542,235.87

Finding the Fourth Proportional to 955,681.67, 1,318,870.61 and 542,235.87

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Solution

The fourth proportional to 955,681.67, 1,318,870.61 and 542,235.87 is: 748,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,681.67 : 1,318,870.61 = 542,235.87 : x
  2. Step 2: Convert to fraction form
    955,681.67/1,318,870.61 = 542,235.87/x
  3. Step 3: Cross multiply
    955,681.67x = 1,318,870.61 × 542,235.87
  4. Step 4: Simplify right side
    955,681.67x = 715,138,949,919.60
  5. Step 5: Solve for x
    x = 715,138,949,919.60/955,681.67
  6. Step 6: Final answer
    x = 748,302.47

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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.