Home / 898,100.16-1,239,378.27-612,119.84

Finding the Fourth Proportional to 898,100.16, 1,239,378.27 and 612,119.84

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Solution

The fourth proportional to 898,100.16, 1,239,378.27 and 612,119.84 is: 844,725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,100.16 : 1,239,378.27 = 612,119.84 : x
  2. Step 2: Convert to fraction form
    898,100.16/1,239,378.27 = 612,119.84/x
  3. Step 3: Cross multiply
    898,100.16x = 1,239,378.27 × 612,119.84
  4. Step 4: Simplify right side
    898,100.16x = 758,648,019,839.54
  5. Step 5: Solve for x
    x = 758,648,019,839.54/898,100.16
  6. Step 6: Final answer
    x = 844,725.41

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Double scale
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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.