Home / 855,921.75-1,182,402.33-683,613.48

Finding the Fourth Proportional to 855,921.75, 1,182,402.33 and 683,613.48

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Solution

The fourth proportional to 855,921.75, 1,182,402.33 and 683,613.48 is: 944,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,921.75 : 1,182,402.33 = 683,613.48 : x
  2. Step 2: Convert to fraction form
    855,921.75/1,182,402.33 = 683,613.48/x
  3. Step 3: Cross multiply
    855,921.75x = 1,182,402.33 × 683,613.48
  4. Step 4: Simplify right side
    855,921.75x = 808,306,173,441.87
  5. Step 5: Solve for x
    x = 808,306,173,441.87/855,921.75
  6. Step 6: Final answer
    x = 944,369.25

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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.