Home / 1,930,576.40-2,896,901.40-808,758.80

Finding the Fourth Proportional to 1,930,576.40, 2,896,901.40 and 808,758.80

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Solution

The fourth proportional to 1,930,576.40, 2,896,901.40 and 808,758.80 is: 1,213,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,576.40 : 2,896,901.40 = 808,758.80 : x
  2. Step 2: Convert to fraction form
    1,930,576.40/2,896,901.40 = 808,758.80/x
  3. Step 3: Cross multiply
    1,930,576.40x = 2,896,901.40 × 808,758.80
  4. Step 4: Simplify right side
    1,930,576.40x = 2,342,894,499,982.32
  5. Step 5: Solve for x
    x = 2,342,894,499,982.32/1,930,576.40
  6. Step 6: Final answer
    x = 1,213,572.54

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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.