Home / 438,918.75-605,707.88-237,714.75

Finding the Fourth Proportional to 438,918.75, 605,707.88 and 237,714.75

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Solution

The fourth proportional to 438,918.75, 605,707.88 and 237,714.75 is: 328,046.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,918.75 : 605,707.88 = 237,714.75 : x
  2. Step 2: Convert to fraction form
    438,918.75/605,707.88 = 237,714.75/x
  3. Step 3: Cross multiply
    438,918.75x = 605,707.88 × 237,714.75
  4. Step 4: Simplify right side
    438,918.75x = 143,985,696,078.66
  5. Step 5: Solve for x
    x = 143,985,696,078.66/438,918.75
  6. Step 6: Final answer
    x = 328,046.36

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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.