Home / 457,022.82-630,681.48-266,032.12

Finding the Fourth Proportional to 457,022.82, 630,681.48 and 266,032.12

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Solution

The fourth proportional to 457,022.82, 630,681.48 and 266,032.12 is: 367,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,022.82 : 630,681.48 = 266,032.12 : x
  2. Step 2: Convert to fraction form
    457,022.82/630,681.48 = 266,032.12/x
  3. Step 3: Cross multiply
    457,022.82x = 630,681.48 × 266,032.12
  4. Step 4: Simplify right side
    457,022.82x = 167,781,531,169.14
  5. Step 5: Solve for x
    x = 167,781,531,169.14/457,022.82
  6. Step 6: Final answer
    x = 367,118.50

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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.