Home / 1,105,052.40-1,656,606.60-748,911.60

Finding the Fourth Proportional to 1,105,052.40, 1,656,606.60 and 748,911.60

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Solution

The fourth proportional to 1,105,052.40, 1,656,606.60 and 748,911.60 is: 1,122,708.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,052.40 : 1,656,606.60 = 748,911.60 : x
  2. Step 2: Convert to fraction form
    1,105,052.40/1,656,606.60 = 748,911.60/x
  3. Step 3: Cross multiply
    1,105,052.40x = 1,656,606.60 × 748,911.60
  4. Step 4: Simplify right side
    1,105,052.40x = 1,240,651,899,376.56
  5. Step 5: Solve for x
    x = 1,240,651,899,376.56/1,105,052.40
  6. Step 6: Final answer
    x = 1,122,708.66

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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.