Home / 985,896.64-1,360,600.38-556,019.92

Finding the Fourth Proportional to 985,896.64, 1,360,600.38 and 556,019.92

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Solution

The fourth proportional to 985,896.64, 1,360,600.38 and 556,019.92 is: 767,343.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,896.64 : 1,360,600.38 = 556,019.92 : x
  2. Step 2: Convert to fraction form
    985,896.64/1,360,600.38 = 556,019.92/x
  3. Step 3: Cross multiply
    985,896.64x = 1,360,600.38 × 556,019.92
  4. Step 4: Simplify right side
    985,896.64x = 756,520,914,439.57
  5. Step 5: Solve for x
    x = 756,520,914,439.57/985,896.64
  6. Step 6: Final answer
    x = 767,343.03

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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.