Home / 1,185,182.32-1,777,958.16-386,278.52

Finding the Fourth Proportional to 1,185,182.32, 1,777,958.16 and 386,278.52

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Solution

The fourth proportional to 1,185,182.32, 1,777,958.16 and 386,278.52 is: 579,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,182.32 : 1,777,958.16 = 386,278.52 : x
  2. Step 2: Convert to fraction form
    1,185,182.32/1,777,958.16 = 386,278.52/x
  3. Step 3: Cross multiply
    1,185,182.32x = 1,777,958.16 × 386,278.52
  4. Step 4: Simplify right side
    1,185,182.32x = 686,787,046,666.72
  5. Step 5: Solve for x
    x = 686,787,046,666.72/1,185,182.32
  6. Step 6: Final answer
    x = 579,477.97

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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.