Home / 1,539,053.20-2,124,104.41-885,665.80

Finding the Fourth Proportional to 1,539,053.20, 2,124,104.41 and 885,665.80

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Solution

The fourth proportional to 1,539,053.20, 2,124,104.41 and 885,665.80 is: 1,222,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,053.20 : 2,124,104.41 = 885,665.80 : x
  2. Step 2: Convert to fraction form
    1,539,053.20/2,124,104.41 = 885,665.80/x
  3. Step 3: Cross multiply
    1,539,053.20x = 2,124,104.41 × 885,665.80
  4. Step 4: Simplify right side
    1,539,053.20x = 1,881,246,618,731.49
  5. Step 5: Solve for x
    x = 1,881,246,618,731.49/1,539,053.20
  6. Step 6: Final answer
    x = 1,222,340.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.