Home / 1,776,940-2,452,177.20-961,143.64

Finding the Fourth Proportional to 1,776,940, 2,452,177.20 and 961,143.64

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Solution

The fourth proportional to 1,776,940, 2,452,177.20 and 961,143.64 is: 1,326,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,940 : 2,452,177.20 = 961,143.64 : x
  2. Step 2: Convert to fraction form
    1,776,940/2,452,177.20 = 961,143.64/x
  3. Step 3: Cross multiply
    1,776,940x = 2,452,177.20 × 961,143.64
  4. Step 4: Simplify right side
    1,776,940x = 2,356,894,519,933.01
  5. Step 5: Solve for x
    x = 2,356,894,519,933.01/1,776,940
  6. Step 6: Final answer
    x = 1,326,378.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.