Home / 784,362.20-1,176,543.30-731,218.10

Finding the Fourth Proportional to 784,362.20, 1,176,543.30 and 731,218.10

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Solution

The fourth proportional to 784,362.20, 1,176,543.30 and 731,218.10 is: 1,096,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,362.20 : 1,176,543.30 = 731,218.10 : x
  2. Step 2: Convert to fraction form
    784,362.20/1,176,543.30 = 731,218.10/x
  3. Step 3: Cross multiply
    784,362.20x = 1,176,543.30 × 731,218.10
  4. Step 4: Simplify right side
    784,362.20x = 860,309,756,393.73
  5. Step 5: Solve for x
    x = 860,309,756,393.73/784,362.20
  6. Step 6: Final answer
    x = 1,096,827.15

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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.