Home / 588,872.37-812,644.01-320,600.37

Finding the Fourth Proportional to 588,872.37, 812,644.01 and 320,600.37

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Solution

The fourth proportional to 588,872.37, 812,644.01 and 320,600.37 is: 442,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,872.37 : 812,644.01 = 320,600.37 : x
  2. Step 2: Convert to fraction form
    588,872.37/812,644.01 = 320,600.37/x
  3. Step 3: Cross multiply
    588,872.37x = 812,644.01 × 320,600.37
  4. Step 4: Simplify right side
    588,872.37x = 260,533,968,681.28
  5. Step 5: Solve for x
    x = 260,533,968,681.28/588,872.37
  6. Step 6: Final answer
    x = 442,428.58

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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.