Home / 1,387,880.47-1,914,536.28-844,182.55

Finding the Fourth Proportional to 1,387,880.47, 1,914,536.28 and 844,182.55

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Solution

The fourth proportional to 1,387,880.47, 1,914,536.28 and 844,182.55 is: 1,164,522.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,880.47 : 1,914,536.28 = 844,182.55 : x
  2. Step 2: Convert to fraction form
    1,387,880.47/1,914,536.28 = 844,182.55/x
  3. Step 3: Cross multiply
    1,387,880.47x = 1,914,536.28 × 844,182.55
  4. Step 4: Simplify right side
    1,387,880.47x = 1,616,218,118,917.91
  5. Step 5: Solve for x
    x = 1,616,218,118,917.91/1,387,880.47
  6. Step 6: Final answer
    x = 1,164,522.56

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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.