Home / 858,005.33-1,185,613.89-625,026.78

Finding the Fourth Proportional to 858,005.33, 1,185,613.89 and 625,026.78

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Solution

The fourth proportional to 858,005.33, 1,185,613.89 and 625,026.78 is: 863,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,005.33 : 1,185,613.89 = 625,026.78 : x
  2. Step 2: Convert to fraction form
    858,005.33/1,185,613.89 = 625,026.78/x
  3. Step 3: Cross multiply
    858,005.33x = 1,185,613.89 × 625,026.78
  4. Step 4: Simplify right side
    858,005.33x = 741,040,433,161.90
  5. Step 5: Solve for x
    x = 741,040,433,161.90/858,005.33
  6. Step 6: Final answer
    x = 863,678.13

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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.