Home / 445,331.80-669,552.90-436,000.60

Finding the Fourth Proportional to 445,331.80, 669,552.90 and 436,000.60

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Solution

The fourth proportional to 445,331.80, 669,552.90 and 436,000.60 is: 655,523.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,331.80 : 669,552.90 = 436,000.60 : x
  2. Step 2: Convert to fraction form
    445,331.80/669,552.90 = 436,000.60/x
  3. Step 3: Cross multiply
    445,331.80x = 669,552.90 × 436,000.60
  4. Step 4: Simplify right side
    445,331.80x = 291,925,466,131.74
  5. Step 5: Solve for x
    x = 291,925,466,131.74/445,331.80
  6. Step 6: Final answer
    x = 655,523.51

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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.