Home / 887,396.20-1,224,631.14-543,225.04

Finding the Fourth Proportional to 887,396.20, 1,224,631.14 and 543,225.04

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Solution

The fourth proportional to 887,396.20, 1,224,631.14 and 543,225.04 is: 749,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,396.20 : 1,224,631.14 = 543,225.04 : x
  2. Step 2: Convert to fraction form
    887,396.20/1,224,631.14 = 543,225.04/x
  3. Step 3: Cross multiply
    887,396.20x = 1,224,631.14 × 543,225.04
  4. Step 4: Simplify right side
    887,396.20x = 665,250,300,011.75
  5. Step 5: Solve for x
    x = 665,250,300,011.75/887,396.20
  6. Step 6: Final answer
    x = 749,665.48

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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.