Home / 1,111,713.18-1,667,668.17-313,001.58

Finding the Fourth Proportional to 1,111,713.18, 1,667,668.17 and 313,001.58

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Solution

The fourth proportional to 1,111,713.18, 1,667,668.17 and 313,001.58 is: 469,530.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,713.18 : 1,667,668.17 = 313,001.58 : x
  2. Step 2: Convert to fraction form
    1,111,713.18/1,667,668.17 = 313,001.58/x
  3. Step 3: Cross multiply
    1,111,713.18x = 1,667,668.17 × 313,001.58
  4. Step 4: Simplify right side
    1,111,713.18x = 521,982,772,125.71
  5. Step 5: Solve for x
    x = 521,982,772,125.71/1,111,713.18
  6. Step 6: Final answer
    x = 469,530.07

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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.