Home / 755,635.43-1,133,026.68-282,128.06

Finding the Fourth Proportional to 755,635.43, 1,133,026.68 and 282,128.06

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Solution

The fourth proportional to 755,635.43, 1,133,026.68 and 282,128.06 is: 423,032.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,635.43 : 1,133,026.68 = 282,128.06 : x
  2. Step 2: Convert to fraction form
    755,635.43/1,133,026.68 = 282,128.06/x
  3. Step 3: Cross multiply
    755,635.43x = 1,133,026.68 × 282,128.06
  4. Step 4: Simplify right side
    755,635.43x = 319,658,623,047.19
  5. Step 5: Solve for x
    x = 319,658,623,047.19/755,635.43
  6. Step 6: Final answer
    x = 423,032.87

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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.