Home / 475,311.96-655,685.16-322,298.37

Finding the Fourth Proportional to 475,311.96, 655,685.16 and 322,298.37

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Solution

The fourth proportional to 475,311.96, 655,685.16 and 322,298.37 is: 444,605.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,311.96 : 655,685.16 = 322,298.37 : x
  2. Step 2: Convert to fraction form
    475,311.96/655,685.16 = 322,298.37/x
  3. Step 3: Cross multiply
    475,311.96x = 655,685.16 × 322,298.37
  4. Step 4: Simplify right side
    475,311.96x = 211,326,253,411.27
  5. Step 5: Solve for x
    x = 211,326,253,411.27/475,311.96
  6. Step 6: Final answer
    x = 444,605.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.