Home / 899,185.14-1,240,861-491,278.23

Finding the Fourth Proportional to 899,185.14, 1,240,861 and 491,278.23

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Solution

The fourth proportional to 899,185.14, 1,240,861 and 491,278.23 is: 677,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,185.14 : 1,240,861 = 491,278.23 : x
  2. Step 2: Convert to fraction form
    899,185.14/1,240,861 = 491,278.23/x
  3. Step 3: Cross multiply
    899,185.14x = 1,240,861 × 491,278.23
  4. Step 4: Simplify right side
    899,185.14x = 609,607,995,756.03
  5. Step 5: Solve for x
    x = 609,607,995,756.03/899,185.14
  6. Step 6: Final answer
    x = 677,956.04

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1.5x scale

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.