Home / 825,747.70-1,239,773.55-528,070.90

Finding the Fourth Proportional to 825,747.70, 1,239,773.55 and 528,070.90

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Solution

The fourth proportional to 825,747.70, 1,239,773.55 and 528,070.90 is: 792,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,747.70 : 1,239,773.55 = 528,070.90 : x
  2. Step 2: Convert to fraction form
    825,747.70/1,239,773.55 = 528,070.90/x
  3. Step 3: Cross multiply
    825,747.70x = 1,239,773.55 × 528,070.90
  4. Step 4: Simplify right side
    825,747.70x = 654,688,334,344.70
  5. Step 5: Solve for x
    x = 654,688,334,344.70/825,747.70
  6. Step 6: Final answer
    x = 792,843.06

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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.