Home / 431,923.48-596,058.28-238,339.80

Finding the Fourth Proportional to 431,923.48, 596,058.28 and 238,339.80

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Solution

The fourth proportional to 431,923.48, 596,058.28 and 238,339.80 is: 328,911.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,923.48 : 596,058.28 = 238,339.80 : x
  2. Step 2: Convert to fraction form
    431,923.48/596,058.28 = 238,339.80/x
  3. Step 3: Cross multiply
    431,923.48x = 596,058.28 × 238,339.80
  4. Step 4: Simplify right side
    431,923.48x = 142,064,411,243.54
  5. Step 5: Solve for x
    x = 142,064,411,243.54/431,923.48
  6. Step 6: Final answer
    x = 328,911.06

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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.