Home / 898,113.76-1,239,396.80-612,133.34

Finding the Fourth Proportional to 898,113.76, 1,239,396.80 and 612,133.34

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Solution

The fourth proportional to 898,113.76, 1,239,396.80 and 612,133.34 is: 844,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,113.76 : 1,239,396.80 = 612,133.34 : x
  2. Step 2: Convert to fraction form
    898,113.76/1,239,396.80 = 612,133.34/x
  3. Step 3: Cross multiply
    898,113.76x = 1,239,396.80 × 612,133.34
  4. Step 4: Simplify right side
    898,113.76x = 758,676,093,511.66
  5. Step 5: Solve for x
    x = 758,676,093,511.66/898,113.76
  6. Step 6: Final answer
    x = 844,743.87

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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.