Home / 2,659,386.45-3,988,353.12-953,211.72

Finding the Fourth Proportional to 2,659,386.45, 3,988,353.12 and 953,211.72

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Solution

The fourth proportional to 2,659,386.45, 3,988,353.12 and 953,211.72 is: 1,429,557.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,386.45 : 3,988,353.12 = 953,211.72 : x
  2. Step 2: Convert to fraction form
    2,659,386.45/3,988,353.12 = 953,211.72/x
  3. Step 3: Cross multiply
    2,659,386.45x = 3,988,353.12 × 953,211.72
  4. Step 4: Simplify right side
    2,659,386.45x = 3,801,744,937,482.57
  5. Step 5: Solve for x
    x = 3,801,744,937,482.57/2,659,386.45
  6. Step 6: Final answer
    x = 1,429,557.16

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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.