Home / 1,064,850.22-1,471,047.85-921,361.15

Finding the Fourth Proportional to 1,064,850.22, 1,471,047.85 and 921,361.15

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Solution

The fourth proportional to 1,064,850.22, 1,471,047.85 and 921,361.15 is: 1,272,823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,850.22 : 1,471,047.85 = 921,361.15 : x
  2. Step 2: Convert to fraction form
    1,064,850.22/1,471,047.85 = 921,361.15/x
  3. Step 3: Cross multiply
    1,064,850.22x = 1,471,047.85 × 921,361.15
  4. Step 4: Simplify right side
    1,064,850.22x = 1,355,366,338,781.03
  5. Step 5: Solve for x
    x = 1,355,366,338,781.03/1,064,850.22
  6. Step 6: Final answer
    x = 1,272,823.46

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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.