Home / 1,208,080.24-1,667,115.48-664,215.46

Finding the Fourth Proportional to 1,208,080.24, 1,667,115.48 and 664,215.46

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Solution

The fourth proportional to 1,208,080.24, 1,667,115.48 and 664,215.46 is: 916,597.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,080.24 : 1,667,115.48 = 664,215.46 : x
  2. Step 2: Convert to fraction form
    1,208,080.24/1,667,115.48 = 664,215.46/x
  3. Step 3: Cross multiply
    1,208,080.24x = 1,667,115.48 × 664,215.46
  4. Step 4: Simplify right side
    1,208,080.24x = 1,107,323,875,421.32
  5. Step 5: Solve for x
    x = 1,107,323,875,421.32/1,208,080.24
  6. Step 6: Final answer
    x = 916,597.95

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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.