Home / 1,118,393.52-1,677,593.24-519,278.64

Finding the Fourth Proportional to 1,118,393.52, 1,677,593.24 and 519,278.64

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Solution

The fourth proportional to 1,118,393.52, 1,677,593.24 and 519,278.64 is: 778,919.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,393.52 : 1,677,593.24 = 519,278.64 : x
  2. Step 2: Convert to fraction form
    1,118,393.52/1,677,593.24 = 519,278.64/x
  3. Step 3: Cross multiply
    1,118,393.52x = 1,677,593.24 × 519,278.64
  4. Step 4: Simplify right side
    1,118,393.52x = 871,138,336,140.39
  5. Step 5: Solve for x
    x = 871,138,336,140.39/1,118,393.52
  6. Step 6: Final answer
    x = 778,919.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.