Home / 587,022.03-811,721.07-465,953.13

Finding the Fourth Proportional to 587,022.03, 811,721.07 and 465,953.13

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Solution

The fourth proportional to 587,022.03, 811,721.07 and 465,953.13 is: 644,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,022.03 : 811,721.07 = 465,953.13 : x
  2. Step 2: Convert to fraction form
    587,022.03/811,721.07 = 465,953.13/x
  3. Step 3: Cross multiply
    587,022.03x = 811,721.07 × 465,953.13
  4. Step 4: Simplify right side
    587,022.03x = 378,223,973,253.45
  5. Step 5: Solve for x
    x = 378,223,973,253.45/587,022.03
  6. Step 6: Final answer
    x = 644,309.67

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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.