Home / 1,996,963.40-2,995,445.10-577,065.80

Finding the Fourth Proportional to 1,996,963.40, 2,995,445.10 and 577,065.80

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Solution

The fourth proportional to 1,996,963.40, 2,995,445.10 and 577,065.80 is: 865,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,963.40 : 2,995,445.10 = 577,065.80 : x
  2. Step 2: Convert to fraction form
    1,996,963.40/2,995,445.10 = 577,065.80/x
  3. Step 3: Cross multiply
    1,996,963.40x = 2,995,445.10 × 577,065.80
  4. Step 4: Simplify right side
    1,996,963.40x = 1,728,568,922,987.58
  5. Step 5: Solve for x
    x = 1,728,568,922,987.58/1,996,963.40
  6. Step 6: Final answer
    x = 865,598.70

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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.