Home / 348,440.40-522,002.88-205,860.24

Finding the Fourth Proportional to 348,440.40, 522,002.88 and 205,860.24

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Solution

The fourth proportional to 348,440.40, 522,002.88 and 205,860.24 is: 308,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,440.40 : 522,002.88 = 205,860.24 : x
  2. Step 2: Convert to fraction form
    348,440.40/522,002.88 = 205,860.24/x
  3. Step 3: Cross multiply
    348,440.40x = 522,002.88 × 205,860.24
  4. Step 4: Simplify right side
    348,440.40x = 107,459,638,157.49
  5. Step 5: Solve for x
    x = 107,459,638,157.49/348,440.40
  6. Step 6: Final answer
    x = 308,401.78

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1.5x scale

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.