Home / 1,255,176.32-1,732,135.20-718,736

Finding the Fourth Proportional to 1,255,176.32, 1,732,135.20 and 718,736

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Solution

The fourth proportional to 1,255,176.32, 1,732,135.20 and 718,736 is: 991,851.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,176.32 : 1,732,135.20 = 718,736 : x
  2. Step 2: Convert to fraction form
    1,255,176.32/1,732,135.20 = 718,736/x
  3. Step 3: Cross multiply
    1,255,176.32x = 1,732,135.20 × 718,736
  4. Step 4: Simplify right side
    1,255,176.32x = 1,244,947,925,107.20
  5. Step 5: Solve for x
    x = 1,244,947,925,107.20/1,255,176.32
  6. Step 6: Final answer
    x = 991,851.03

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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.