Home / 482,721.80-724,169.10-202,267.40

Finding the Fourth Proportional to 482,721.80, 724,169.10 and 202,267.40

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Solution

The fourth proportional to 482,721.80, 724,169.10 and 202,267.40 is: 303,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,721.80 : 724,169.10 = 202,267.40 : x
  2. Step 2: Convert to fraction form
    482,721.80/724,169.10 = 202,267.40/x
  3. Step 3: Cross multiply
    482,721.80x = 724,169.10 × 202,267.40
  4. Step 4: Simplify right side
    482,721.80x = 146,475,801,017.34
  5. Step 5: Solve for x
    x = 146,475,801,017.34/482,721.80
  6. Step 6: Final answer
    x = 303,437.30

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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.