Home / 1,258,926.19-1,888,947.45-659,744.89

Finding the Fourth Proportional to 1,258,926.19, 1,888,947.45 and 659,744.89

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Solution

The fourth proportional to 1,258,926.19, 1,888,947.45 and 659,744.89 is: 989,909.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,926.19 : 1,888,947.45 = 659,744.89 : x
  2. Step 2: Convert to fraction form
    1,258,926.19/1,888,947.45 = 659,744.89/x
  3. Step 3: Cross multiply
    1,258,926.19x = 1,888,947.45 × 659,744.89
  4. Step 4: Simplify right side
    1,258,926.19x = 1,246,223,430,689.04
  5. Step 5: Solve for x
    x = 1,246,223,430,689.04/1,258,926.19
  6. Step 6: Final answer
    x = 989,909.84

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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.