Home / 1,279,751.13-1,766,041.79-698,971.41

Finding the Fourth Proportional to 1,279,751.13, 1,766,041.79 and 698,971.41

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Solution

The fourth proportional to 1,279,751.13, 1,766,041.79 and 698,971.41 is: 964,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,751.13 : 1,766,041.79 = 698,971.41 : x
  2. Step 2: Convert to fraction form
    1,279,751.13/1,766,041.79 = 698,971.41/x
  3. Step 3: Cross multiply
    1,279,751.13x = 1,766,041.79 × 698,971.41
  4. Step 4: Simplify right side
    1,279,751.13x = 1,234,412,716,580.37
  5. Step 5: Solve for x
    x = 1,234,412,716,580.37/1,279,751.13
  6. Step 6: Final answer
    x = 964,572.48

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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.