Home / 1,186,616.28-1,780,007.43-587,416.55

Finding the Fourth Proportional to 1,186,616.28, 1,780,007.43 and 587,416.55

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Solution

The fourth proportional to 1,186,616.28, 1,780,007.43 and 587,416.55 is: 881,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,616.28 : 1,780,007.43 = 587,416.55 : x
  2. Step 2: Convert to fraction form
    1,186,616.28/1,780,007.43 = 587,416.55/x
  3. Step 3: Cross multiply
    1,186,616.28x = 1,780,007.43 × 587,416.55
  4. Step 4: Simplify right side
    1,186,616.28x = 1,045,605,819,054.95
  5. Step 5: Solve for x
    x = 1,045,605,819,054.95/1,186,616.28
  6. Step 6: Final answer
    x = 881,165.92

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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.