Home / 1,074,363.51-1,611,728.87-442,932.15

Finding the Fourth Proportional to 1,074,363.51, 1,611,728.87 and 442,932.15

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Solution

The fourth proportional to 1,074,363.51, 1,611,728.87 and 442,932.15 is: 664,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,363.51 : 1,611,728.87 = 442,932.15 : x
  2. Step 2: Convert to fraction form
    1,074,363.51/1,611,728.87 = 442,932.15/x
  3. Step 3: Cross multiply
    1,074,363.51x = 1,611,728.87 × 442,932.15
  4. Step 4: Simplify right side
    1,074,363.51x = 713,886,531,391.51
  5. Step 5: Solve for x
    x = 713,886,531,391.51/1,074,363.51
  6. Step 6: Final answer
    x = 664,473.92

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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.