Home / 1,412,069.46-1,948,667.68-767,489.48

Finding the Fourth Proportional to 1,412,069.46, 1,948,667.68 and 767,489.48

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Solution

The fourth proportional to 1,412,069.46, 1,948,667.68 and 767,489.48 is: 1,059,141.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,069.46 : 1,948,667.68 = 767,489.48 : x
  2. Step 2: Convert to fraction form
    1,412,069.46/1,948,667.68 = 767,489.48/x
  3. Step 3: Cross multiply
    1,412,069.46x = 1,948,667.68 × 767,489.48
  4. Step 4: Simplify right side
    1,412,069.46x = 1,495,581,938,622.41
  5. Step 5: Solve for x
    x = 1,495,581,938,622.41/1,412,069.46
  6. Step 6: Final answer
    x = 1,059,141.91

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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.