Home / 1,440,050.40-1,989,165.60-1,104,658.56

Finding the Fourth Proportional to 1,440,050.40, 1,989,165.60 and 1,104,658.56

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Solution

The fourth proportional to 1,440,050.40, 1,989,165.60 and 1,104,658.56 is: 1,525,883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,050.40 : 1,989,165.60 = 1,104,658.56 : x
  2. Step 2: Convert to fraction form
    1,440,050.40/1,989,165.60 = 1,104,658.56/x
  3. Step 3: Cross multiply
    1,440,050.40x = 1,989,165.60 × 1,104,658.56
  4. Step 4: Simplify right side
    1,440,050.40x = 2,197,348,807,297.54
  5. Step 5: Solve for x
    x = 2,197,348,807,297.54/1,440,050.40
  6. Step 6: Final answer
    x = 1,525,883.27

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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.