Home / 712,745.04-1,069,635.96-574,177.36

Finding the Fourth Proportional to 712,745.04, 1,069,635.96 and 574,177.36

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Solution

The fourth proportional to 712,745.04, 1,069,635.96 and 574,177.36 is: 861,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,745.04 : 1,069,635.96 = 574,177.36 : x
  2. Step 2: Convert to fraction form
    712,745.04/1,069,635.96 = 574,177.36/x
  3. Step 3: Cross multiply
    712,745.04x = 1,069,635.96 × 574,177.36
  4. Step 4: Simplify right side
    712,745.04x = 614,160,751,673.87
  5. Step 5: Solve for x
    x = 614,160,751,673.87/712,745.04
  6. Step 6: Final answer
    x = 861,683.66

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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.