Home / 898,079.85-1,239,350.20-612,099.53

Finding the Fourth Proportional to 898,079.85, 1,239,350.20 and 612,099.53

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Solution

The fourth proportional to 898,079.85, 1,239,350.20 and 612,099.53 is: 844,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,079.85 : 1,239,350.20 = 612,099.53 : x
  2. Step 2: Convert to fraction form
    898,079.85/1,239,350.20 = 612,099.53/x
  3. Step 3: Cross multiply
    898,079.85x = 1,239,350.20 × 612,099.53
  4. Step 4: Simplify right side
    898,079.85x = 758,605,668,728.66
  5. Step 5: Solve for x
    x = 758,605,668,728.66/898,079.85
  6. Step 6: Final answer
    x = 844,697.35

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1.5x scale

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.