Home / 597,421.18-823,887.39-436,020.58

Finding the Fourth Proportional to 597,421.18, 823,887.39 and 436,020.58

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Solution

The fourth proportional to 597,421.18, 823,887.39 and 436,020.58 is: 601,304.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,421.18 : 823,887.39 = 436,020.58 : x
  2. Step 2: Convert to fraction form
    597,421.18/823,887.39 = 436,020.58/x
  3. Step 3: Cross multiply
    597,421.18x = 823,887.39 × 436,020.58
  4. Step 4: Simplify right side
    597,421.18x = 359,231,857,642.49
  5. Step 5: Solve for x
    x = 359,231,857,642.49/597,421.18
  6. Step 6: Final answer
    x = 601,304.19

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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.