Home / 1,110,158.12-1,532,055.30-680,355.20

Finding the Fourth Proportional to 1,110,158.12, 1,532,055.30 and 680,355.20

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Solution

The fourth proportional to 1,110,158.12, 1,532,055.30 and 680,355.20 is: 938,912.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,158.12 : 1,532,055.30 = 680,355.20 : x
  2. Step 2: Convert to fraction form
    1,110,158.12/1,532,055.30 = 680,355.20/x
  3. Step 3: Cross multiply
    1,110,158.12x = 1,532,055.30 × 680,355.20
  4. Step 4: Simplify right side
    1,110,158.12x = 1,042,341,790,042.56
  5. Step 5: Solve for x
    x = 1,042,341,790,042.56/1,110,158.12
  6. Step 6: Final answer
    x = 938,912.91

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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.