Home / 1,248,937.96-1,723,576.12-765,409.66

Finding the Fourth Proportional to 1,248,937.96, 1,723,576.12 and 765,409.66

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Solution

The fourth proportional to 1,248,937.96, 1,723,576.12 and 765,409.66 is: 1,056,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,937.96 : 1,723,576.12 = 765,409.66 : x
  2. Step 2: Convert to fraction form
    1,248,937.96/1,723,576.12 = 765,409.66/x
  3. Step 3: Cross multiply
    1,248,937.96x = 1,723,576.12 × 765,409.66
  4. Step 4: Simplify right side
    1,248,937.96x = 1,319,241,811,993.32
  5. Step 5: Solve for x
    x = 1,319,241,811,993.32/1,248,937.96
  6. Step 6: Final answer
    x = 1,056,290.91

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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.