Home / 668,443.17-1,002,593.67-188,659.11

Finding the Fourth Proportional to 668,443.17, 1,002,593.67 and 188,659.11

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Solution

The fourth proportional to 668,443.17, 1,002,593.67 and 188,659.11 is: 282,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,443.17 : 1,002,593.67 = 188,659.11 : x
  2. Step 2: Convert to fraction form
    668,443.17/1,002,593.67 = 188,659.11/x
  3. Step 3: Cross multiply
    668,443.17x = 1,002,593.67 × 188,659.11
  4. Step 4: Simplify right side
    668,443.17x = 189,148,429,473.83
  5. Step 5: Solve for x
    x = 189,148,429,473.83/668,443.17
  6. Step 6: Final answer
    x = 282,968.60

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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.