Home / 1,639,574.06-2,262,616.21-914,468.75

Finding the Fourth Proportional to 1,639,574.06, 2,262,616.21 and 914,468.75

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Solution

The fourth proportional to 1,639,574.06, 2,262,616.21 and 914,468.75 is: 1,261,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,574.06 : 2,262,616.21 = 914,468.75 : x
  2. Step 2: Convert to fraction form
    1,639,574.06/2,262,616.21 = 914,468.75/x
  3. Step 3: Cross multiply
    1,639,574.06x = 2,262,616.21 × 914,468.75
  4. Step 4: Simplify right side
    1,639,574.06x = 2,069,091,803,689.18
  5. Step 5: Solve for x
    x = 2,069,091,803,689.18/1,639,574.06
  6. Step 6: Final answer
    x = 1,261,969.11

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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.