Home / 1,015,940.96-1,402,002.36-557,062.64

Finding the Fourth Proportional to 1,015,940.96, 1,402,002.36 and 557,062.64

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Solution

The fourth proportional to 1,015,940.96, 1,402,002.36 and 557,062.64 is: 768,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,940.96 : 1,402,002.36 = 557,062.64 : x
  2. Step 2: Convert to fraction form
    1,015,940.96/1,402,002.36 = 557,062.64/x
  3. Step 3: Cross multiply
    1,015,940.96x = 1,402,002.36 × 557,062.64
  4. Step 4: Simplify right side
    1,015,940.96x = 781,003,135,947.83
  5. Step 5: Solve for x
    x = 781,003,135,947.83/1,015,940.96
  6. Step 6: Final answer
    x = 768,748.55

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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.