Home / 1,984,593.40-2,974,274.38-785,861.79

Finding the Fourth Proportional to 1,984,593.40, 2,974,274.38 and 785,861.79

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Solution

The fourth proportional to 1,984,593.40, 2,974,274.38 and 785,861.79 is: 1,177,756.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,593.40 : 2,974,274.38 = 785,861.79 : x
  2. Step 2: Convert to fraction form
    1,984,593.40/2,974,274.38 = 785,861.79/x
  3. Step 3: Cross multiply
    1,984,593.40x = 2,974,274.38 × 785,861.79
  4. Step 4: Simplify right side
    1,984,593.40x = 2,337,368,584,288.63
  5. Step 5: Solve for x
    x = 2,337,368,584,288.63/1,984,593.40
  6. Step 6: Final answer
    x = 1,177,756.91

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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.