Home / 523,094.52-721,923.66-308,303.88

Finding the Fourth Proportional to 523,094.52, 721,923.66 and 308,303.88

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Solution

The fourth proportional to 523,094.52, 721,923.66 and 308,303.88 is: 425,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,094.52 : 721,923.66 = 308,303.88 : x
  2. Step 2: Convert to fraction form
    523,094.52/721,923.66 = 308,303.88/x
  3. Step 3: Cross multiply
    523,094.52x = 721,923.66 × 308,303.88
  4. Step 4: Simplify right side
    523,094.52x = 222,571,865,441.80
  5. Step 5: Solve for x
    x = 222,571,865,441.80/523,094.52
  6. Step 6: Final answer
    x = 425,490.72

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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.