Home / 578,074.20-867,500.10-262,368.60

Finding the Fourth Proportional to 578,074.20, 867,500.10 and 262,368.60

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Solution

The fourth proportional to 578,074.20, 867,500.10 and 262,368.60 is: 393,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,074.20 : 867,500.10 = 262,368.60 : x
  2. Step 2: Convert to fraction form
    578,074.20/867,500.10 = 262,368.60/x
  3. Step 3: Cross multiply
    578,074.20x = 867,500.10 × 262,368.60
  4. Step 4: Simplify right side
    578,074.20x = 227,604,786,736.86
  5. Step 5: Solve for x
    x = 227,604,786,736.86/578,074.20
  6. Step 6: Final answer
    x = 393,729.36

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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.