Home / 2,656,463.40-3,984,176.70-858,911.40

Finding the Fourth Proportional to 2,656,463.40, 3,984,176.70 and 858,911.40

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Solution

The fourth proportional to 2,656,463.40, 3,984,176.70 and 858,911.40 is: 1,288,199.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656,463.40 : 3,984,176.70 = 858,911.40 : x
  2. Step 2: Convert to fraction form
    2,656,463.40/3,984,176.70 = 858,911.40/x
  3. Step 3: Cross multiply
    2,656,463.40x = 3,984,176.70 × 858,911.40
  4. Step 4: Simplify right side
    2,656,463.40x = 3,422,054,787,244.38
  5. Step 5: Solve for x
    x = 3,422,054,787,244.38/2,656,463.40
  6. Step 6: Final answer
    x = 1,288,199.49

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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.