Home / 589,789.15-812,224.50-531,146.56

Finding the Fourth Proportional to 589,789.15, 812,224.50 and 531,146.56

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Solution

The fourth proportional to 589,789.15, 812,224.50 and 531,146.56 is: 731,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,789.15 : 812,224.50 = 531,146.56 : x
  2. Step 2: Convert to fraction form
    589,789.15/812,224.50 = 531,146.56/x
  3. Step 3: Cross multiply
    589,789.15x = 812,224.50 × 531,146.56
  4. Step 4: Simplify right side
    589,789.15x = 431,410,249,122.72
  5. Step 5: Solve for x
    x = 431,410,249,122.72/589,789.15
  6. Step 6: Final answer
    x = 731,465.22

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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.