Home / 1,766,729.10-2,651,412.69-1,312,369.53

Finding the Fourth Proportional to 1,766,729.10, 2,651,412.69 and 1,312,369.53

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Solution

The fourth proportional to 1,766,729.10, 2,651,412.69 and 1,312,369.53 is: 1,969,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,729.10 : 2,651,412.69 = 1,312,369.53 : x
  2. Step 2: Convert to fraction form
    1,766,729.10/2,651,412.69 = 1,312,369.53/x
  3. Step 3: Cross multiply
    1,766,729.10x = 2,651,412.69 × 1,312,369.53
  4. Step 4: Simplify right side
    1,766,729.10x = 3,479,633,215,868.54
  5. Step 5: Solve for x
    x = 3,479,633,215,868.54/1,766,729.10
  6. Step 6: Final answer
    x = 1,969,534.10

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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.