Home / 692,129.20-1,038,193.80-514,982.20

Finding the Fourth Proportional to 692,129.20, 1,038,193.80 and 514,982.20

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Solution

The fourth proportional to 692,129.20, 1,038,193.80 and 514,982.20 is: 772,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,129.20 : 1,038,193.80 = 514,982.20 : x
  2. Step 2: Convert to fraction form
    692,129.20/1,038,193.80 = 514,982.20/x
  3. Step 3: Cross multiply
    692,129.20x = 1,038,193.80 × 514,982.20
  4. Step 4: Simplify right side
    692,129.20x = 534,651,327,150.36
  5. Step 5: Solve for x
    x = 534,651,327,150.36/692,129.20
  6. Step 6: Final answer
    x = 772,473.30

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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.