Home / 832,723.38-1,249,204.22-256,395.42

Finding the Fourth Proportional to 832,723.38, 1,249,204.22 and 256,395.42

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Solution

The fourth proportional to 832,723.38, 1,249,204.22 and 256,395.42 is: 384,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,723.38 : 1,249,204.22 = 256,395.42 : x
  2. Step 2: Convert to fraction form
    832,723.38/1,249,204.22 = 256,395.42/x
  3. Step 3: Cross multiply
    832,723.38x = 1,249,204.22 × 256,395.42
  4. Step 4: Simplify right side
    832,723.38x = 320,290,239,370.70
  5. Step 5: Solve for x
    x = 320,290,239,370.70/832,723.38
  6. Step 6: Final answer
    x = 384,629.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.