Home / 863,175.40-1,191,154.75-476,007.14

Finding the Fourth Proportional to 863,175.40, 1,191,154.75 and 476,007.14

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Solution

The fourth proportional to 863,175.40, 1,191,154.75 and 476,007.14 is: 656,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,175.40 : 1,191,154.75 = 476,007.14 : x
  2. Step 2: Convert to fraction form
    863,175.40/1,191,154.75 = 476,007.14/x
  3. Step 3: Cross multiply
    863,175.40x = 1,191,154.75 × 476,007.14
  4. Step 4: Simplify right side
    863,175.40x = 566,998,167,632.78
  5. Step 5: Solve for x
    x = 566,998,167,632.78/863,175.40
  6. Step 6: Final answer
    x = 656,874.80

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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.