Home / 863,763.78-1,191,986.12-476,582.76

Finding the Fourth Proportional to 863,763.78, 1,191,986.12 and 476,582.76

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Solution

The fourth proportional to 863,763.78, 1,191,986.12 and 476,582.76 is: 657,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,763.78 : 1,191,986.12 = 476,582.76 : x
  2. Step 2: Convert to fraction form
    863,763.78/1,191,986.12 = 476,582.76/x
  3. Step 3: Cross multiply
    863,763.78x = 1,191,986.12 × 476,582.76
  4. Step 4: Simplify right side
    863,763.78x = 568,080,032,568.38
  5. Step 5: Solve for x
    x = 568,080,032,568.38/863,763.78
  6. Step 6: Final answer
    x = 657,679.85

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Double scale
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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.