Home / 1,217,559.03-1,680,233.43-673,717.74

Finding the Fourth Proportional to 1,217,559.03, 1,680,233.43 and 673,717.74

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Solution

The fourth proportional to 1,217,559.03, 1,680,233.43 and 673,717.74 is: 929,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,559.03 : 1,680,233.43 = 673,717.74 : x
  2. Step 2: Convert to fraction form
    1,217,559.03/1,680,233.43 = 673,717.74/x
  3. Step 3: Cross multiply
    1,217,559.03x = 1,680,233.43 × 673,717.74
  4. Step 4: Simplify right side
    1,217,559.03x = 1,132,003,075,016.93
  5. Step 5: Solve for x
    x = 1,132,003,075,016.93/1,217,559.03
  6. Step 6: Final answer
    x = 929,731.57

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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.