Home / 1,278,225.30-1,917,337.95-806,999.70

Finding the Fourth Proportional to 1,278,225.30, 1,917,337.95 and 806,999.70

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Solution

The fourth proportional to 1,278,225.30, 1,917,337.95 and 806,999.70 is: 1,210,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,225.30 : 1,917,337.95 = 806,999.70 : x
  2. Step 2: Convert to fraction form
    1,278,225.30/1,917,337.95 = 806,999.70/x
  3. Step 3: Cross multiply
    1,278,225.30x = 1,917,337.95 × 806,999.70
  4. Step 4: Simplify right side
    1,278,225.30x = 1,547,291,150,448.62
  5. Step 5: Solve for x
    x = 1,547,291,150,448.62/1,278,225.30
  6. Step 6: Final answer
    x = 1,210,499.55

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Similar ratio
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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.