Home / 1,259,938.77-1,738,672.20-716,065.08

Finding the Fourth Proportional to 1,259,938.77, 1,738,672.20 and 716,065.08

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Solution

The fourth proportional to 1,259,938.77, 1,738,672.20 and 716,065.08 is: 988,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,938.77 : 1,738,672.20 = 716,065.08 : x
  2. Step 2: Convert to fraction form
    1,259,938.77/1,738,672.20 = 716,065.08/x
  3. Step 3: Cross multiply
    1,259,938.77x = 1,738,672.20 × 716,065.08
  4. Step 4: Simplify right side
    1,259,938.77x = 1,245,002,447,986.78
  5. Step 5: Solve for x
    x = 1,245,002,447,986.78/1,259,938.77
  6. Step 6: Final answer
    x = 988,145.20

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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.