Home / 626,545.60-939,162.30-247,319.80

Finding the Fourth Proportional to 626,545.60, 939,162.30 and 247,319.80

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Solution

The fourth proportional to 626,545.60, 939,162.30 and 247,319.80 is: 370,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,545.60 : 939,162.30 = 247,319.80 : x
  2. Step 2: Convert to fraction form
    626,545.60/939,162.30 = 247,319.80/x
  3. Step 3: Cross multiply
    626,545.60x = 939,162.30 × 247,319.80
  4. Step 4: Simplify right side
    626,545.60x = 232,273,432,203.54
  5. Step 5: Solve for x
    x = 232,273,432,203.54/626,545.60
  6. Step 6: Final answer
    x = 370,720.71

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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.