Home / 596,143.40-822,685.01-324,218.09

Finding the Fourth Proportional to 596,143.40, 822,685.01 and 324,218.09

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Solution

The fourth proportional to 596,143.40, 822,685.01 and 324,218.09 is: 447,424.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    596,143.40 : 822,685.01 = 324,218.09 : x
  2. Step 2: Convert to fraction form
    596,143.40/822,685.01 = 324,218.09/x
  3. Step 3: Cross multiply
    596,143.40x = 822,685.01 × 324,218.09
  4. Step 4: Simplify right side
    596,143.40x = 266,729,363,049.45
  5. Step 5: Solve for x
    x = 266,729,363,049.45/596,143.40
  6. Step 6: Final answer
    x = 447,424.84

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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.