Home / 666,350.10-919,555.65-364,540.50

Finding the Fourth Proportional to 666,350.10, 919,555.65 and 364,540.50

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Solution

The fourth proportional to 666,350.10, 919,555.65 and 364,540.50 is: 503,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,350.10 : 919,555.65 = 364,540.50 : x
  2. Step 2: Convert to fraction form
    666,350.10/919,555.65 = 364,540.50/x
  3. Step 3: Cross multiply
    666,350.10x = 919,555.65 × 364,540.50
  4. Step 4: Simplify right side
    666,350.10x = 335,215,276,428.83
  5. Step 5: Solve for x
    x = 335,215,276,428.83/666,350.10
  6. Step 6: Final answer
    x = 503,061.79

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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.