Home / 1,274,600.55-1,758,971.13-693,840.38

Finding the Fourth Proportional to 1,274,600.55, 1,758,971.13 and 693,840.38

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Solution

The fourth proportional to 1,274,600.55, 1,758,971.13 and 693,840.38 is: 957,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,600.55 : 1,758,971.13 = 693,840.38 : x
  2. Step 2: Convert to fraction form
    1,274,600.55/1,758,971.13 = 693,840.38/x
  3. Step 3: Cross multiply
    1,274,600.55x = 1,758,971.13 × 693,840.38
  4. Step 4: Simplify right side
    1,274,600.55x = 1,220,445,197,248.23
  5. Step 5: Solve for x
    x = 1,220,445,197,248.23/1,274,600.55
  6. Step 6: Final answer
    x = 957,511.90

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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.