Home / 898,080.85-1,239,351.58-612,100.53

Finding the Fourth Proportional to 898,080.85, 1,239,351.58 and 612,100.53

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Solution

The fourth proportional to 898,080.85, 1,239,351.58 and 612,100.53 is: 844,698.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,080.85 : 1,239,351.58 = 612,100.53 : x
  2. Step 2: Convert to fraction form
    898,080.85/1,239,351.58 = 612,100.53/x
  3. Step 3: Cross multiply
    898,080.85x = 1,239,351.58 × 612,100.53
  4. Step 4: Simplify right side
    898,080.85x = 758,607,758,974.34
  5. Step 5: Solve for x
    x = 758,607,758,974.34/898,080.85
  6. Step 6: Final answer
    x = 844,698.74

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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.