Home / 1,178,777.40-1,766,999.70-579,247.80

Finding the Fourth Proportional to 1,178,777.40, 1,766,999.70 and 579,247.80

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Solution

The fourth proportional to 1,178,777.40, 1,766,999.70 and 579,247.80 is: 868,298.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,777.40 : 1,766,999.70 = 579,247.80 : x
  2. Step 2: Convert to fraction form
    1,178,777.40/1,766,999.70 = 579,247.80/x
  3. Step 3: Cross multiply
    1,178,777.40x = 1,766,999.70 × 579,247.80
  4. Step 4: Simplify right side
    1,178,777.40x = 1,023,530,688,825.66
  5. Step 5: Solve for x
    x = 1,023,530,688,825.66/1,178,777.40
  6. Step 6: Final answer
    x = 868,298.53

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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.