Home / 1,349,272.89-1,861,816.55-866,491.95

Finding the Fourth Proportional to 1,349,272.89, 1,861,816.55 and 866,491.95

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Solution

The fourth proportional to 1,349,272.89, 1,861,816.55 and 866,491.95 is: 1,195,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,272.89 : 1,861,816.55 = 866,491.95 : x
  2. Step 2: Convert to fraction form
    1,349,272.89/1,861,816.55 = 866,491.95/x
  3. Step 3: Cross multiply
    1,349,272.89x = 1,861,816.55 × 866,491.95
  4. Step 4: Simplify right side
    1,349,272.89x = 1,613,249,058,850.47
  5. Step 5: Solve for x
    x = 1,613,249,058,850.47/1,349,272.89
  6. Step 6: Final answer
    x = 1,195,643.28

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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.