Home / 1,316,190.75-1,974,286.40-474,742.41

Finding the Fourth Proportional to 1,316,190.75, 1,974,286.40 and 474,742.41

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Solution

The fourth proportional to 1,316,190.75, 1,974,286.40 and 474,742.41 is: 712,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,190.75 : 1,974,286.40 = 474,742.41 : x
  2. Step 2: Convert to fraction form
    1,316,190.75/1,974,286.40 = 474,742.41/x
  3. Step 3: Cross multiply
    1,316,190.75x = 1,974,286.40 × 474,742.41
  4. Step 4: Simplify right side
    1,316,190.75x = 937,277,481,192.51
  5. Step 5: Solve for x
    x = 937,277,481,192.51/1,316,190.75
  6. Step 6: Final answer
    x = 712,113.71

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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.