Home / 641,225.60-884,905.44-354,766.04

Finding the Fourth Proportional to 641,225.60, 884,905.44 and 354,766.04

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Solution

The fourth proportional to 641,225.60, 884,905.44 and 354,766.04 is: 489,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,225.60 : 884,905.44 = 354,766.04 : x
  2. Step 2: Convert to fraction form
    641,225.60/884,905.44 = 354,766.04/x
  3. Step 3: Cross multiply
    641,225.60x = 884,905.44 × 354,766.04
  4. Step 4: Simplify right side
    641,225.60x = 313,934,398,723.26
  5. Step 5: Solve for x
    x = 313,934,398,723.26/641,225.60
  6. Step 6: Final answer
    x = 489,584.94

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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.