Home / 1,776,065.32-2,663,436.61-638,517.12

Finding the Fourth Proportional to 1,776,065.32, 2,663,436.61 and 638,517.12

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Solution

The fourth proportional to 1,776,065.32, 2,663,436.61 and 638,517.12 is: 957,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,065.32 : 2,663,436.61 = 638,517.12 : x
  2. Step 2: Convert to fraction form
    1,776,065.32/2,663,436.61 = 638,517.12/x
  3. Step 3: Cross multiply
    1,776,065.32x = 2,663,436.61 × 638,517.12
  4. Step 4: Simplify right side
    1,776,065.32x = 1,700,649,873,519.76
  5. Step 5: Solve for x
    x = 1,700,649,873,519.76/1,776,065.32
  6. Step 6: Final answer
    x = 957,537.91

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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.