Home / 623,882.80-860,867.22-351,962.56

Finding the Fourth Proportional to 623,882.80, 860,867.22 and 351,962.56

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Solution

The fourth proportional to 623,882.80, 860,867.22 and 351,962.56 is: 485,656.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,882.80 : 860,867.22 = 351,962.56 : x
  2. Step 2: Convert to fraction form
    623,882.80/860,867.22 = 351,962.56/x
  3. Step 3: Cross multiply
    623,882.80x = 860,867.22 × 351,962.56
  4. Step 4: Simplify right side
    623,882.80x = 302,993,030,571.28
  5. Step 5: Solve for x
    x = 302,993,030,571.28/623,882.80
  6. Step 6: Final answer
    x = 485,656.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.