Home / 578,206.20-867,698.10-262,500.60

Finding the Fourth Proportional to 578,206.20, 867,698.10 and 262,500.60

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Solution

The fourth proportional to 578,206.20, 867,698.10 and 262,500.60 is: 393,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,206.20 : 867,698.10 = 262,500.60 : x
  2. Step 2: Convert to fraction form
    578,206.20/867,698.10 = 262,500.60/x
  3. Step 3: Cross multiply
    578,206.20x = 867,698.10 × 262,500.60
  4. Step 4: Simplify right side
    578,206.20x = 227,771,271,868.86
  5. Step 5: Solve for x
    x = 227,771,271,868.86/578,206.20
  6. Step 6: Final answer
    x = 393,927.41

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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.