Home / 1,178,029.20-1,625,637-719,910.42

Finding the Fourth Proportional to 1,178,029.20, 1,625,637 and 719,910.42

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Solution

The fourth proportional to 1,178,029.20, 1,625,637 and 719,910.42 is: 993,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,029.20 : 1,625,637 = 719,910.42 : x
  2. Step 2: Convert to fraction form
    1,178,029.20/1,625,637 = 719,910.42/x
  3. Step 3: Cross multiply
    1,178,029.20x = 1,625,637 × 719,910.42
  4. Step 4: Simplify right side
    1,178,029.20x = 1,170,313,015,437.54
  5. Step 5: Solve for x
    x = 1,170,313,015,437.54/1,178,029.20
  6. Step 6: Final answer
    x = 993,449.92

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1.5x scale

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.