Home / 922,178.20-1,272,413.44-559,792.84

Finding the Fourth Proportional to 922,178.20, 1,272,413.44 and 559,792.84

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Solution

The fourth proportional to 922,178.20, 1,272,413.44 and 559,792.84 is: 772,397.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,178.20 : 1,272,413.44 = 559,792.84 : x
  2. Step 2: Convert to fraction form
    922,178.20/1,272,413.44 = 559,792.84/x
  3. Step 3: Cross multiply
    922,178.20x = 1,272,413.44 × 559,792.84
  4. Step 4: Simplify right side
    922,178.20x = 712,287,933,231.77
  5. Step 5: Solve for x
    x = 712,287,933,231.77/922,178.20
  6. Step 6: Final answer
    x = 772,397.28

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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.