Home / 627,639.04-944,873.60-571,837.60

Finding the Fourth Proportional to 627,639.04, 944,873.60 and 571,837.60

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Solution

The fourth proportional to 627,639.04, 944,873.60 and 571,837.60 is: 860,867.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,639.04 : 944,873.60 = 571,837.60 : x
  2. Step 2: Convert to fraction form
    627,639.04/944,873.60 = 571,837.60/x
  3. Step 3: Cross multiply
    627,639.04x = 944,873.60 × 571,837.60
  4. Step 4: Simplify right side
    627,639.04x = 540,314,251,727.36
  5. Step 5: Solve for x
    x = 540,314,251,727.36/627,639.04
  6. Step 6: Final answer
    x = 860,867.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.