Home / 1,927,144.20-2,890,718.39-579,306.67

Finding the Fourth Proportional to 1,927,144.20, 2,890,718.39 and 579,306.67

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Solution

The fourth proportional to 1,927,144.20, 2,890,718.39 and 579,306.67 is: 868,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,144.20 : 2,890,718.39 = 579,306.67 : x
  2. Step 2: Convert to fraction form
    1,927,144.20/2,890,718.39 = 579,306.67/x
  3. Step 3: Cross multiply
    1,927,144.20x = 2,890,718.39 × 579,306.67
  4. Step 4: Simplify right side
    1,927,144.20x = 1,674,612,444,418.66
  5. Step 5: Solve for x
    x = 1,674,612,444,418.66/1,927,144.20
  6. Step 6: Final answer
    x = 868,960.63

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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.