Home / 1,251,346.20-1,877,019.30-778,954.20

Finding the Fourth Proportional to 1,251,346.20, 1,877,019.30 and 778,954.20

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Solution

The fourth proportional to 1,251,346.20, 1,877,019.30 and 778,954.20 is: 1,168,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,346.20 : 1,877,019.30 = 778,954.20 : x
  2. Step 2: Convert to fraction form
    1,251,346.20/1,877,019.30 = 778,954.20/x
  3. Step 3: Cross multiply
    1,251,346.20x = 1,877,019.30 × 778,954.20
  4. Step 4: Simplify right side
    1,251,346.20x = 1,462,112,067,216.06
  5. Step 5: Solve for x
    x = 1,462,112,067,216.06/1,251,346.20
  6. Step 6: Final answer
    x = 1,168,431.30

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Double scale
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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.