Home / 547,631.70-821,569.95-192,657.30

Finding the Fourth Proportional to 547,631.70, 821,569.95 and 192,657.30

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Solution

The fourth proportional to 547,631.70, 821,569.95 and 192,657.30 is: 289,029.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,631.70 : 821,569.95 = 192,657.30 : x
  2. Step 2: Convert to fraction form
    547,631.70/821,569.95 = 192,657.30/x
  3. Step 3: Cross multiply
    547,631.70x = 821,569.95 × 192,657.30
  4. Step 4: Simplify right side
    547,631.70x = 158,281,448,328.14
  5. Step 5: Solve for x
    x = 158,281,448,328.14/547,631.70
  6. Step 6: Final answer
    x = 289,029.01

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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.