Home / 1,874,808.72-2,812,358.88-612,763.92

Finding the Fourth Proportional to 1,874,808.72, 2,812,358.88 and 612,763.92

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Solution

The fourth proportional to 1,874,808.72, 2,812,358.88 and 612,763.92 is: 919,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,808.72 : 2,812,358.88 = 612,763.92 : x
  2. Step 2: Convert to fraction form
    1,874,808.72/2,812,358.88 = 612,763.92/x
  3. Step 3: Cross multiply
    1,874,808.72x = 2,812,358.88 × 612,763.92
  4. Step 4: Simplify right side
    1,874,808.72x = 1,723,312,051,755.61
  5. Step 5: Solve for x
    x = 1,723,312,051,755.61/1,874,808.72
  6. Step 6: Final answer
    x = 919,193.53

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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.