Home / 898,085.44-1,239,357.90-612,105.12

Finding the Fourth Proportional to 898,085.44, 1,239,357.90 and 612,105.12

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Solution

The fourth proportional to 898,085.44, 1,239,357.90 and 612,105.12 is: 844,705.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,085.44 : 1,239,357.90 = 612,105.12 : x
  2. Step 2: Convert to fraction form
    898,085.44/1,239,357.90 = 612,105.12/x
  3. Step 3: Cross multiply
    898,085.44x = 1,239,357.90 × 612,105.12
  4. Step 4: Simplify right side
    898,085.44x = 758,617,316,102.45
  5. Step 5: Solve for x
    x = 758,617,316,102.45/898,085.44
  6. Step 6: Final answer
    x = 844,705.06

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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.