Home / 400,721.04-601,302.92-223,328.03

Finding the Fourth Proportional to 400,721.04, 601,302.92 and 223,328.03

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Solution

The fourth proportional to 400,721.04, 601,302.92 and 223,328.03 is: 335,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,721.04 : 601,302.92 = 223,328.03 : x
  2. Step 2: Convert to fraction form
    400,721.04/601,302.92 = 223,328.03/x
  3. Step 3: Cross multiply
    400,721.04x = 601,302.92 × 223,328.03
  4. Step 4: Simplify right side
    400,721.04x = 134,287,792,433.69
  5. Step 5: Solve for x
    x = 134,287,792,433.69/400,721.04
  6. Step 6: Final answer
    x = 335,115.40

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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.