Home / 1,086,291.20-1,629,897.60-525,036.80

Finding the Fourth Proportional to 1,086,291.20, 1,629,897.60 and 525,036.80

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Solution

The fourth proportional to 1,086,291.20, 1,629,897.60 and 525,036.80 is: 787,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,291.20 : 1,629,897.60 = 525,036.80 : x
  2. Step 2: Convert to fraction form
    1,086,291.20/1,629,897.60 = 525,036.80/x
  3. Step 3: Cross multiply
    1,086,291.20x = 1,629,897.60 × 525,036.80
  4. Step 4: Simplify right side
    1,086,291.20x = 855,756,220,231.68
  5. Step 5: Solve for x
    x = 855,756,220,231.68/1,086,291.20
  6. Step 6: Final answer
    x = 787,777.92

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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.