Home / 459,666.20-633,816.30-323,656.64

Finding the Fourth Proportional to 459,666.20, 633,816.30 and 323,656.64

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Solution

The fourth proportional to 459,666.20, 633,816.30 and 323,656.64 is: 446,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,666.20 : 633,816.30 = 323,656.64 : x
  2. Step 2: Convert to fraction form
    459,666.20/633,816.30 = 323,656.64/x
  3. Step 3: Cross multiply
    459,666.20x = 633,816.30 × 323,656.64
  4. Step 4: Simplify right side
    459,666.20x = 205,138,854,035.23
  5. Step 5: Solve for x
    x = 205,138,854,035.23/459,666.20
  6. Step 6: Final answer
    x = 446,277.87

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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.