Home / 866,791.18-1,196,148.81-479,596.51

Finding the Fourth Proportional to 866,791.18, 1,196,148.81 and 479,596.51

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Solution

The fourth proportional to 866,791.18, 1,196,148.81 and 479,596.51 is: 661,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,791.18 : 1,196,148.81 = 479,596.51 : x
  2. Step 2: Convert to fraction form
    866,791.18/1,196,148.81 = 479,596.51/x
  3. Step 3: Cross multiply
    866,791.18x = 1,196,148.81 × 479,596.51
  4. Step 4: Simplify right side
    866,791.18x = 573,668,794,716.65
  5. Step 5: Solve for x
    x = 573,668,794,716.65/866,791.18
  6. Step 6: Final answer
    x = 661,830.45

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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.