Home / 589,787.14-812,221.74-531,144.56

Finding the Fourth Proportional to 589,787.14, 812,221.74 and 531,144.56

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Solution

The fourth proportional to 589,787.14, 812,221.74 and 531,144.56 is: 731,462.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,787.14 : 812,221.74 = 531,144.56 : x
  2. Step 2: Convert to fraction form
    589,787.14/812,221.74 = 531,144.56/x
  3. Step 3: Cross multiply
    589,787.14x = 812,221.74 × 531,144.56
  4. Step 4: Simplify right side
    589,787.14x = 431,407,158,714.73
  5. Step 5: Solve for x
    x = 431,407,158,714.73/589,787.14
  6. Step 6: Final answer
    x = 731,462.47

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Double scale
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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.