Home / 262,403.10-393,604.65-84,923.10

Finding the Fourth Proportional to 262,403.10, 393,604.65 and 84,923.10

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Solution

The fourth proportional to 262,403.10, 393,604.65 and 84,923.10 is: 127,384.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,403.10 : 393,604.65 = 84,923.10 : x
  2. Step 2: Convert to fraction form
    262,403.10/393,604.65 = 84,923.10/x
  3. Step 3: Cross multiply
    262,403.10x = 393,604.65 × 84,923.10
  4. Step 4: Simplify right side
    262,403.10x = 33,426,127,052.42
  5. Step 5: Solve for x
    x = 33,426,127,052.42/262,403.10
  6. Step 6: Final answer
    x = 127,384.65

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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.