Home / 460,018.17-690,322.46-223,231.68

Finding the Fourth Proportional to 460,018.17, 690,322.46 and 223,231.68

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Solution

The fourth proportional to 460,018.17, 690,322.46 and 223,231.68 is: 334,990.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,018.17 : 690,322.46 = 223,231.68 : x
  2. Step 2: Convert to fraction form
    460,018.17/690,322.46 = 223,231.68/x
  3. Step 3: Cross multiply
    460,018.17x = 690,322.46 × 223,231.68
  4. Step 4: Simplify right side
    460,018.17x = 154,101,841,371.37
  5. Step 5: Solve for x
    x = 154,101,841,371.37/460,018.17
  6. Step 6: Final answer
    x = 334,990.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.