Home / 587,018.03-811,715.54-465,949.13

Finding the Fourth Proportional to 587,018.03, 811,715.54 and 465,949.13

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Solution

The fourth proportional to 587,018.03, 811,715.54 and 465,949.13 is: 644,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,018.03 : 811,715.54 = 465,949.13 : x
  2. Step 2: Convert to fraction form
    587,018.03/811,715.54 = 465,949.13/x
  3. Step 3: Cross multiply
    587,018.03x = 811,715.54 × 465,949.13
  4. Step 4: Simplify right side
    587,018.03x = 378,218,143,282.16
  5. Step 5: Solve for x
    x = 378,218,143,282.16/587,018.03
  6. Step 6: Final answer
    x = 644,304.13

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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.