Home / 1,056,988.08-1,585,724.31-458,049.78

Finding the Fourth Proportional to 1,056,988.08, 1,585,724.31 and 458,049.78

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Solution

The fourth proportional to 1,056,988.08, 1,585,724.31 and 458,049.78 is: 687,179.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,988.08 : 1,585,724.31 = 458,049.78 : x
  2. Step 2: Convert to fraction form
    1,056,988.08/1,585,724.31 = 458,049.78/x
  3. Step 3: Cross multiply
    1,056,988.08x = 1,585,724.31 × 458,049.78
  4. Step 4: Simplify right side
    1,056,988.08x = 726,340,671,336.15
  5. Step 5: Solve for x
    x = 726,340,671,336.15/1,056,988.08
  6. Step 6: Final answer
    x = 687,179.62

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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.