Home / 1,965,651.76-2,948,335.40-618,199.80

Finding the Fourth Proportional to 1,965,651.76, 2,948,335.40 and 618,199.80

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Solution

The fourth proportional to 1,965,651.76, 2,948,335.40 and 618,199.80 is: 927,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,651.76 : 2,948,335.40 = 618,199.80 : x
  2. Step 2: Convert to fraction form
    1,965,651.76/2,948,335.40 = 618,199.80/x
  3. Step 3: Cross multiply
    1,965,651.76x = 2,948,335.40 × 618,199.80
  4. Step 4: Simplify right side
    1,965,651.76x = 1,822,660,354,612.92
  5. Step 5: Solve for x
    x = 1,822,660,354,612.92/1,965,651.76
  6. Step 6: Final answer
    x = 927,254.97

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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.