Home / 1,930,730.40-2,897,132.40-808,912.80

Finding the Fourth Proportional to 1,930,730.40, 2,897,132.40 and 808,912.80

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Solution

The fourth proportional to 1,930,730.40, 2,897,132.40 and 808,912.80 is: 1,213,803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,730.40 : 2,897,132.40 = 808,912.80 : x
  2. Step 2: Convert to fraction form
    1,930,730.40/2,897,132.40 = 808,912.80/x
  3. Step 3: Cross multiply
    1,930,730.40x = 2,897,132.40 × 808,912.80
  4. Step 4: Simplify right side
    1,930,730.40x = 2,343,527,481,654.72
  5. Step 5: Solve for x
    x = 2,343,527,481,654.72/1,930,730.40
  6. Step 6: Final answer
    x = 1,213,803.59

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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.