Home / 918,792.11-1,267,831.63-551,249.75

Finding the Fourth Proportional to 918,792.11, 1,267,831.63 and 551,249.75

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Solution

The fourth proportional to 918,792.11, 1,267,831.63 and 551,249.75 is: 760,663.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,792.11 : 1,267,831.63 = 551,249.75 : x
  2. Step 2: Convert to fraction form
    918,792.11/1,267,831.63 = 551,249.75/x
  3. Step 3: Cross multiply
    918,792.11x = 1,267,831.63 × 551,249.75
  4. Step 4: Simplify right side
    918,792.11x = 698,891,869,079.59
  5. Step 5: Solve for x
    x = 698,891,869,079.59/918,792.11
  6. Step 6: Final answer
    x = 760,663.77

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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.