Home / 262,816.20-394,224.30-260,051.40

Finding the Fourth Proportional to 262,816.20, 394,224.30 and 260,051.40

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Solution

The fourth proportional to 262,816.20, 394,224.30 and 260,051.40 is: 390,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,816.20 : 394,224.30 = 260,051.40 : x
  2. Step 2: Convert to fraction form
    262,816.20/394,224.30 = 260,051.40/x
  3. Step 3: Cross multiply
    262,816.20x = 394,224.30 × 260,051.40
  4. Step 4: Simplify right side
    262,816.20x = 102,518,581,129.02
  5. Step 5: Solve for x
    x = 102,518,581,129.02/262,816.20
  6. Step 6: Final answer
    x = 390,077.10

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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.