Home / 714,698.59-986,281.19-408,774.55

Finding the Fourth Proportional to 714,698.59, 986,281.19 and 408,774.55

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Solution

The fourth proportional to 714,698.59, 986,281.19 and 408,774.55 is: 564,107.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,698.59 : 986,281.19 = 408,774.55 : x
  2. Step 2: Convert to fraction form
    714,698.59/986,281.19 = 408,774.55/x
  3. Step 3: Cross multiply
    714,698.59x = 986,281.19 × 408,774.55
  4. Step 4: Simplify right side
    714,698.59x = 403,166,650,787.68
  5. Step 5: Solve for x
    x = 403,166,650,787.68/714,698.59
  6. Step 6: Final answer
    x = 564,107.24

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1.5x scale

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.