Home / 1,462,215.40-2,193,323.10-1,107,921.40

Finding the Fourth Proportional to 1,462,215.40, 2,193,323.10 and 1,107,921.40

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Solution

The fourth proportional to 1,462,215.40, 2,193,323.10 and 1,107,921.40 is: 1,661,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,215.40 : 2,193,323.10 = 1,107,921.40 : x
  2. Step 2: Convert to fraction form
    1,462,215.40/2,193,323.10 = 1,107,921.40/x
  3. Step 3: Cross multiply
    1,462,215.40x = 2,193,323.10 × 1,107,921.40
  4. Step 4: Simplify right side
    1,462,215.40x = 2,430,029,599,604.34
  5. Step 5: Solve for x
    x = 2,430,029,599,604.34/1,462,215.40
  6. Step 6: Final answer
    x = 1,661,882.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.