Home / 1,147,216.40-1,720,824.60-1,103,670.80

Finding the Fourth Proportional to 1,147,216.40, 1,720,824.60 and 1,103,670.80

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Solution

The fourth proportional to 1,147,216.40, 1,720,824.60 and 1,103,670.80 is: 1,655,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,216.40 : 1,720,824.60 = 1,103,670.80 : x
  2. Step 2: Convert to fraction form
    1,147,216.40/1,720,824.60 = 1,103,670.80/x
  3. Step 3: Cross multiply
    1,147,216.40x = 1,720,824.60 × 1,103,670.80
  4. Step 4: Simplify right side
    1,147,216.40x = 1,899,223,862,941.68
  5. Step 5: Solve for x
    x = 1,899,223,862,941.68/1,147,216.40
  6. Step 6: Final answer
    x = 1,655,506.20

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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.