Home / 702,462.90-1,053,692.79-542,770.86

Finding the Fourth Proportional to 702,462.90, 1,053,692.79 and 542,770.86

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Solution

The fourth proportional to 702,462.90, 1,053,692.79 and 542,770.86 is: 814,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,462.90 : 1,053,692.79 = 542,770.86 : x
  2. Step 2: Convert to fraction form
    702,462.90/1,053,692.79 = 542,770.86/x
  3. Step 3: Cross multiply
    702,462.90x = 1,053,692.79 × 542,770.86
  4. Step 4: Simplify right side
    702,462.90x = 571,913,741,804.10
  5. Step 5: Solve for x
    x = 571,913,741,804.10/702,462.90
  6. Step 6: Final answer
    x = 814,155.08

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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.