Home / 458,623.70-688,206.20-174,553.40

Finding the Fourth Proportional to 458,623.70, 688,206.20 and 174,553.40

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Solution

The fourth proportional to 458,623.70, 688,206.20 and 174,553.40 is: 261,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,623.70 : 688,206.20 = 174,553.40 : x
  2. Step 2: Convert to fraction form
    458,623.70/688,206.20 = 174,553.40/x
  3. Step 3: Cross multiply
    458,623.70x = 688,206.20 × 174,553.40
  4. Step 4: Simplify right side
    458,623.70x = 120,128,727,797.28
  5. Step 5: Solve for x
    x = 120,128,727,797.28/458,623.70
  6. Step 6: Final answer
    x = 261,933.10

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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.