Home / 1,286,592.12-1,770,282.54-1,056,301.02

Finding the Fourth Proportional to 1,286,592.12, 1,770,282.54 and 1,056,301.02

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Solution

The fourth proportional to 1,286,592.12, 1,770,282.54 and 1,056,301.02 is: 1,453,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,592.12 : 1,770,282.54 = 1,056,301.02 : x
  2. Step 2: Convert to fraction form
    1,286,592.12/1,770,282.54 = 1,056,301.02/x
  3. Step 3: Cross multiply
    1,286,592.12x = 1,770,282.54 × 1,056,301.02
  4. Step 4: Simplify right side
    1,286,592.12x = 1,869,951,252,690.19
  5. Step 5: Solve for x
    x = 1,869,951,252,690.19/1,286,592.12
  6. Step 6: Final answer
    x = 1,453,414.20

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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.