Home / 1,511,667.51-2,267,487.14-612,895.65

Finding the Fourth Proportional to 1,511,667.51, 2,267,487.14 and 612,895.65

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Solution

The fourth proportional to 1,511,667.51, 2,267,487.14 and 612,895.65 is: 919,337.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,667.51 : 2,267,487.14 = 612,895.65 : x
  2. Step 2: Convert to fraction form
    1,511,667.51/2,267,487.14 = 612,895.65/x
  3. Step 3: Cross multiply
    1,511,667.51x = 2,267,487.14 × 612,895.65
  4. Step 4: Simplify right side
    1,511,667.51x = 1,389,733,001,472.46
  5. Step 5: Solve for x
    x = 1,389,733,001,472.46/1,511,667.51
  6. Step 6: Final answer
    x = 919,337.75

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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.