Home / 1,178,778.62-1,768,180.29-943,616.18

Finding the Fourth Proportional to 1,178,778.62, 1,768,180.29 and 943,616.18

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Solution

The fourth proportional to 1,178,778.62, 1,768,180.29 and 943,616.18 is: 1,415,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,778.62 : 1,768,180.29 = 943,616.18 : x
  2. Step 2: Convert to fraction form
    1,178,778.62/1,768,180.29 = 943,616.18/x
  3. Step 3: Cross multiply
    1,178,778.62x = 1,768,180.29 × 943,616.18
  4. Step 4: Simplify right side
    1,178,778.62x = 1,668,483,532,862.50
  5. Step 5: Solve for x
    x = 1,668,483,532,862.50/1,178,778.62
  6. Step 6: Final answer
    x = 1,415,434.16

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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.