Home / 1,105,771.34-1,525,799.87-622,307.66

Finding the Fourth Proportional to 1,105,771.34, 1,525,799.87 and 622,307.66

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Solution

The fourth proportional to 1,105,771.34, 1,525,799.87 and 622,307.66 is: 858,691.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,771.34 : 1,525,799.87 = 622,307.66 : x
  2. Step 2: Convert to fraction form
    1,105,771.34/1,525,799.87 = 622,307.66/x
  3. Step 3: Cross multiply
    1,105,771.34x = 1,525,799.87 × 622,307.66
  4. Step 4: Simplify right side
    1,105,771.34x = 949,516,938,321.12
  5. Step 5: Solve for x
    x = 949,516,938,321.12/1,105,771.34
  6. Step 6: Final answer
    x = 858,691.94

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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.