Home / 1,778,585.54-2,667,479.20-818,118.71

Finding the Fourth Proportional to 1,778,585.54, 2,667,479.20 and 818,118.71

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Solution

The fourth proportional to 1,778,585.54, 2,667,479.20 and 818,118.71 is: 1,226,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,585.54 : 2,667,479.20 = 818,118.71 : x
  2. Step 2: Convert to fraction form
    1,778,585.54/2,667,479.20 = 818,118.71/x
  3. Step 3: Cross multiply
    1,778,585.54x = 2,667,479.20 × 818,118.71
  4. Step 4: Simplify right side
    1,778,585.54x = 2,182,314,642,055.83
  5. Step 5: Solve for x
    x = 2,182,314,642,055.83/1,778,585.54
  6. Step 6: Final answer
    x = 1,226,994.48

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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.