Home / 627,766.59-941,354.58-438,440.74

Finding the Fourth Proportional to 627,766.59, 941,354.58 and 438,440.74

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Solution

The fourth proportional to 627,766.59, 941,354.58 and 438,440.74 is: 657,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,766.59 : 941,354.58 = 438,440.74 : x
  2. Step 2: Convert to fraction form
    627,766.59/941,354.58 = 438,440.74/x
  3. Step 3: Cross multiply
    627,766.59x = 941,354.58 × 438,440.74
  4. Step 4: Simplify right side
    627,766.59x = 412,728,197,948.36
  5. Step 5: Solve for x
    x = 412,728,197,948.36/627,766.59
  6. Step 6: Final answer
    x = 657,454.86

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1.5x scale

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.