Home / 1,418,187.75-2,126,088.41-659,643.81

Finding the Fourth Proportional to 1,418,187.75, 2,126,088.41 and 659,643.81

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Solution

The fourth proportional to 1,418,187.75, 2,126,088.41 and 659,643.81 is: 988,910.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,187.75 : 2,126,088.41 = 659,643.81 : x
  2. Step 2: Convert to fraction form
    1,418,187.75/2,126,088.41 = 659,643.81/x
  3. Step 3: Cross multiply
    1,418,187.75x = 2,126,088.41 × 659,643.81
  4. Step 4: Simplify right side
    1,418,187.75x = 1,402,461,055,871.02
  5. Step 5: Solve for x
    x = 1,402,461,055,871.02/1,418,187.75
  6. Step 6: Final answer
    x = 988,910.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.