Home / 755,216.81-1,042,203.53-411,051.92

Finding the Fourth Proportional to 755,216.81, 1,042,203.53 and 411,051.92

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Solution

The fourth proportional to 755,216.81, 1,042,203.53 and 411,051.92 is: 567,254.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,216.81 : 1,042,203.53 = 411,051.92 : x
  2. Step 2: Convert to fraction form
    755,216.81/1,042,203.53 = 411,051.92/x
  3. Step 3: Cross multiply
    755,216.81x = 1,042,203.53 × 411,051.92
  4. Step 4: Simplify right side
    755,216.81x = 428,399,765,670.42
  5. Step 5: Solve for x
    x = 428,399,765,670.42/755,216.81
  6. Step 6: Final answer
    x = 567,254.02

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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.