Home / 1,120,587-1,680,895.38-372,633.24

Finding the Fourth Proportional to 1,120,587, 1,680,895.38 and 372,633.24

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Solution

The fourth proportional to 1,120,587, 1,680,895.38 and 372,633.24 is: 558,954.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,587 : 1,680,895.38 = 372,633.24 : x
  2. Step 2: Convert to fraction form
    1,120,587/1,680,895.38 = 372,633.24/x
  3. Step 3: Cross multiply
    1,120,587x = 1,680,895.38 × 372,633.24
  4. Step 4: Simplify right side
    1,120,587x = 626,357,491,550.43
  5. Step 5: Solve for x
    x = 626,357,491,550.43/1,120,587
  6. Step 6: Final answer
    x = 558,954.81

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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.