Home / 1,059,185.40-1,587,881.92-459,693.04

Finding the Fourth Proportional to 1,059,185.40, 1,587,881.92 and 459,693.04

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Solution

The fourth proportional to 1,059,185.40, 1,587,881.92 and 459,693.04 is: 689,150.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,185.40 : 1,587,881.92 = 459,693.04 : x
  2. Step 2: Convert to fraction form
    1,059,185.40/1,587,881.92 = 459,693.04/x
  3. Step 3: Cross multiply
    1,059,185.40x = 1,587,881.92 × 459,693.04
  4. Step 4: Simplify right side
    1,059,185.40x = 729,938,266,965.84
  5. Step 5: Solve for x
    x = 729,938,266,965.84/1,059,185.40
  6. Step 6: Final answer
    x = 689,150.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.