Home / 1,205,851.76-1,806,412.89-699,348.68

Finding the Fourth Proportional to 1,205,851.76, 1,806,412.89 and 699,348.68

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Solution

The fourth proportional to 1,205,851.76, 1,806,412.89 and 699,348.68 is: 1,047,651.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,851.76 : 1,806,412.89 = 699,348.68 : x
  2. Step 2: Convert to fraction form
    1,205,851.76/1,806,412.89 = 699,348.68/x
  3. Step 3: Cross multiply
    1,205,851.76x = 1,806,412.89 × 699,348.68
  4. Step 4: Simplify right side
    1,205,851.76x = 1,263,312,480,682.10
  5. Step 5: Solve for x
    x = 1,263,312,480,682.10/1,205,851.76
  6. Step 6: Final answer
    x = 1,047,651.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.