Home / 562,972.20-776,957.10-321,291.14

Finding the Fourth Proportional to 562,972.20, 776,957.10 and 321,291.14

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Solution

The fourth proportional to 562,972.20, 776,957.10 and 321,291.14 is: 443,413.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,972.20 : 776,957.10 = 321,291.14 : x
  2. Step 2: Convert to fraction form
    562,972.20/776,957.10 = 321,291.14/x
  3. Step 3: Cross multiply
    562,972.20x = 776,957.10 × 321,291.14
  4. Step 4: Simplify right side
    562,972.20x = 249,629,432,390.09
  5. Step 5: Solve for x
    x = 249,629,432,390.09/562,972.20
  6. Step 6: Final answer
    x = 443,413.43

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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.