Home / 1,613,923.44-2,421,973.80-667,290.48

Finding the Fourth Proportional to 1,613,923.44, 2,421,973.80 and 667,290.48

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Solution

The fourth proportional to 1,613,923.44, 2,421,973.80 and 667,290.48 is: 1,001,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,923.44 : 2,421,973.80 = 667,290.48 : x
  2. Step 2: Convert to fraction form
    1,613,923.44/2,421,973.80 = 667,290.48/x
  3. Step 3: Cross multiply
    1,613,923.44x = 2,421,973.80 × 667,290.48
  4. Step 4: Simplify right side
    1,613,923.44x = 1,616,160,059,549.42
  5. Step 5: Solve for x
    x = 1,616,160,059,549.42/1,613,923.44
  6. Step 6: Final answer
    x = 1,001,385.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.