Home / 1,003,981.06-1,385,493.88-551,272.06

Finding the Fourth Proportional to 1,003,981.06, 1,385,493.88 and 551,272.06

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Solution

The fourth proportional to 1,003,981.06, 1,385,493.88 and 551,272.06 is: 760,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,981.06 : 1,385,493.88 = 551,272.06 : x
  2. Step 2: Convert to fraction form
    1,003,981.06/1,385,493.88 = 551,272.06/x
  3. Step 3: Cross multiply
    1,003,981.06x = 1,385,493.88 × 551,272.06
  4. Step 4: Simplify right side
    1,003,981.06x = 763,784,065,344.99
  5. Step 5: Solve for x
    x = 763,784,065,344.99/1,003,981.06
  6. Step 6: Final answer
    x = 760,755.45

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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.