Home / 1,691,566.60-2,537,465.10-538,721.80

Finding the Fourth Proportional to 1,691,566.60, 2,537,465.10 and 538,721.80

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Solution

The fourth proportional to 1,691,566.60, 2,537,465.10 and 538,721.80 is: 808,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,566.60 : 2,537,465.10 = 538,721.80 : x
  2. Step 2: Convert to fraction form
    1,691,566.60/2,537,465.10 = 538,721.80/x
  3. Step 3: Cross multiply
    1,691,566.60x = 2,537,465.10 × 538,721.80
  4. Step 4: Simplify right side
    1,691,566.60x = 1,366,987,766,109.18
  5. Step 5: Solve for x
    x = 1,366,987,766,109.18/1,691,566.60
  6. Step 6: Final answer
    x = 808,119.39

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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.