Home / 1,349,372.37-1,861,954.13-866,591.51

Finding the Fourth Proportional to 1,349,372.37, 1,861,954.13 and 866,591.51

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Solution

The fourth proportional to 1,349,372.37, 1,861,954.13 and 866,591.51 is: 1,195,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,372.37 : 1,861,954.13 = 866,591.51 : x
  2. Step 2: Convert to fraction form
    1,349,372.37/1,861,954.13 = 866,591.51/x
  3. Step 3: Cross multiply
    1,349,372.37x = 1,861,954.13 × 866,591.51
  4. Step 4: Simplify right side
    1,349,372.37x = 1,613,553,634,246.07
  5. Step 5: Solve for x
    x = 1,613,553,634,246.07/1,349,372.37
  6. Step 6: Final answer
    x = 1,195,780.85

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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.