Home / 1,385,393.28-1,911,824-773,555.52

Finding the Fourth Proportional to 1,385,393.28, 1,911,824 and 773,555.52

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Solution

The fourth proportional to 1,385,393.28, 1,911,824 and 773,555.52 is: 1,067,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,393.28 : 1,911,824 = 773,555.52 : x
  2. Step 2: Convert to fraction form
    1,385,393.28/1,911,824 = 773,555.52/x
  3. Step 3: Cross multiply
    1,385,393.28x = 1,911,824 × 773,555.52
  4. Step 4: Simplify right side
    1,385,393.28x = 1,478,902,008,468.48
  5. Step 5: Solve for x
    x = 1,478,902,008,468.48/1,385,393.28
  6. Step 6: Final answer
    x = 1,067,496.16

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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.