Home / 985,906.62-1,360,564.32-556,185.42

Finding the Fourth Proportional to 985,906.62, 1,360,564.32 and 556,185.42

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Solution

The fourth proportional to 985,906.62, 1,360,564.32 and 556,185.42 is: 767,543.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,906.62 : 1,360,564.32 = 556,185.42 : x
  2. Step 2: Convert to fraction form
    985,906.62/1,360,564.32 = 556,185.42/x
  3. Step 3: Cross multiply
    985,906.62x = 1,360,564.32 × 556,185.42
  4. Step 4: Simplify right side
    985,906.62x = 756,726,037,756.22
  5. Step 5: Solve for x
    x = 756,726,037,756.22/985,906.62
  6. Step 6: Final answer
    x = 767,543.32

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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.