Home / 773,276.10-1,159,914.15-649,273.20

Finding the Fourth Proportional to 773,276.10, 1,159,914.15 and 649,273.20

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Solution

The fourth proportional to 773,276.10, 1,159,914.15 and 649,273.20 is: 973,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,276.10 : 1,159,914.15 = 649,273.20 : x
  2. Step 2: Convert to fraction form
    773,276.10/1,159,914.15 = 649,273.20/x
  3. Step 3: Cross multiply
    773,276.10x = 1,159,914.15 × 649,273.20
  4. Step 4: Simplify right side
    773,276.10x = 753,101,171,895.78
  5. Step 5: Solve for x
    x = 753,101,171,895.78/773,276.10
  6. Step 6: Final answer
    x = 973,909.80

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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.