Home / 617,895.20-926,929.20-262,906.40

Finding the Fourth Proportional to 617,895.20, 926,929.20 and 262,906.40

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Solution

The fourth proportional to 617,895.20, 926,929.20 and 262,906.40 is: 394,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,895.20 : 926,929.20 = 262,906.40 : x
  2. Step 2: Convert to fraction form
    617,895.20/926,929.20 = 262,906.40/x
  3. Step 3: Cross multiply
    617,895.20x = 926,929.20 × 262,906.40
  4. Step 4: Simplify right side
    617,895.20x = 243,695,619,026.88
  5. Step 5: Solve for x
    x = 243,695,619,026.88/617,895.20
  6. Step 6: Final answer
    x = 394,396.36

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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.