Home / 1,316,190.76-1,974,286.40-474,742.42

Finding the Fourth Proportional to 1,316,190.76, 1,974,286.40 and 474,742.42

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Solution

The fourth proportional to 1,316,190.76, 1,974,286.40 and 474,742.42 is: 712,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,190.76 : 1,974,286.40 = 474,742.42 : x
  2. Step 2: Convert to fraction form
    1,316,190.76/1,974,286.40 = 474,742.42/x
  3. Step 3: Cross multiply
    1,316,190.76x = 1,974,286.40 × 474,742.42
  4. Step 4: Simplify right side
    1,316,190.76x = 937,277,503,309.09
  5. Step 5: Solve for x
    x = 937,277,503,309.09/1,316,190.76
  6. Step 6: Final answer
    x = 712,113.72

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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.