Home / 656,596.10-984,165.15-257,104.10

Finding the Fourth Proportional to 656,596.10, 984,165.15 and 257,104.10

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Solution

The fourth proportional to 656,596.10, 984,165.15 and 257,104.10 is: 385,370.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,596.10 : 984,165.15 = 257,104.10 : x
  2. Step 2: Convert to fraction form
    656,596.10/984,165.15 = 257,104.10/x
  3. Step 3: Cross multiply
    656,596.10x = 984,165.15 × 257,104.10
  4. Step 4: Simplify right side
    656,596.10x = 253,032,895,142.12
  5. Step 5: Solve for x
    x = 253,032,895,142.12/656,596.10
  6. Step 6: Final answer
    x = 385,370.69

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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.