Home / 908,836.20-1,363,254.30-731,689.20

Finding the Fourth Proportional to 908,836.20, 1,363,254.30 and 731,689.20

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Solution

The fourth proportional to 908,836.20, 1,363,254.30 and 731,689.20 is: 1,097,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,836.20 : 1,363,254.30 = 731,689.20 : x
  2. Step 2: Convert to fraction form
    908,836.20/1,363,254.30 = 731,689.20/x
  3. Step 3: Cross multiply
    908,836.20x = 1,363,254.30 × 731,689.20
  4. Step 4: Simplify right side
    908,836.20x = 997,478,448,163.56
  5. Step 5: Solve for x
    x = 997,478,448,163.56/908,836.20
  6. Step 6: Final answer
    x = 1,097,533.80

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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.