Home / 1,776,767.20-2,663,401.20-878,347.60

Finding the Fourth Proportional to 1,776,767.20, 2,663,401.20 and 878,347.60

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Solution

The fourth proportional to 1,776,767.20, 2,663,401.20 and 878,347.60 is: 1,316,656.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,767.20 : 2,663,401.20 = 878,347.60 : x
  2. Step 2: Convert to fraction form
    1,776,767.20/2,663,401.20 = 878,347.60/x
  3. Step 3: Cross multiply
    1,776,767.20x = 2,663,401.20 × 878,347.60
  4. Step 4: Simplify right side
    1,776,767.20x = 2,339,392,051,857.12
  5. Step 5: Solve for x
    x = 2,339,392,051,857.12/1,776,767.20
  6. Step 6: Final answer
    x = 1,316,656.48

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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.