Home / 1,217,719.10-1,680,427.22-673,854.53

Finding the Fourth Proportional to 1,217,719.10, 1,680,427.22 and 673,854.53

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Solution

The fourth proportional to 1,217,719.10, 1,680,427.22 and 673,854.53 is: 929,905.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,719.10 : 1,680,427.22 = 673,854.53 : x
  2. Step 2: Convert to fraction form
    1,217,719.10/1,680,427.22 = 673,854.53/x
  3. Step 3: Cross multiply
    1,217,719.10x = 1,680,427.22 × 673,854.53
  4. Step 4: Simplify right side
    1,217,719.10x = 1,132,363,482,760.90
  5. Step 5: Solve for x
    x = 1,132,363,482,760.90/1,217,719.10
  6. Step 6: Final answer
    x = 929,905.33

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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.