Home / 1,334,644.88-1,841,993.19-818,307.46

Finding the Fourth Proportional to 1,334,644.88, 1,841,993.19 and 818,307.46

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Solution

The fourth proportional to 1,334,644.88, 1,841,993.19 and 818,307.46 is: 1,129,376.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,644.88 : 1,841,993.19 = 818,307.46 : x
  2. Step 2: Convert to fraction form
    1,334,644.88/1,841,993.19 = 818,307.46/x
  3. Step 3: Cross multiply
    1,334,644.88x = 1,841,993.19 × 818,307.46
  4. Step 4: Simplify right side
    1,334,644.88x = 1,507,316,755,344.69
  5. Step 5: Solve for x
    x = 1,507,316,755,344.69/1,334,644.88
  6. Step 6: Final answer
    x = 1,129,376.64

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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.