Home / 1,673,815.29-2,309,854.12-909,868.85

Finding the Fourth Proportional to 1,673,815.29, 2,309,854.12 and 909,868.85

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Solution

The fourth proportional to 1,673,815.29, 2,309,854.12 and 909,868.85 is: 1,255,613.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,815.29 : 2,309,854.12 = 909,868.85 : x
  2. Step 2: Convert to fraction form
    1,673,815.29/2,309,854.12 = 909,868.85/x
  3. Step 3: Cross multiply
    1,673,815.29x = 2,309,854.12 × 909,868.85
  4. Step 4: Simplify right side
    1,673,815.29x = 2,101,664,306,670.17
  5. Step 5: Solve for x
    x = 2,101,664,306,670.17/1,673,815.29
  6. Step 6: Final answer
    x = 1,255,613.04

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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.