Home / 586,837.36-809,790.92-357,369.22

Finding the Fourth Proportional to 586,837.36, 809,790.92 and 357,369.22

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Solution

The fourth proportional to 586,837.36, 809,790.92 and 357,369.22 is: 493,142.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,837.36 : 809,790.92 = 357,369.22 : x
  2. Step 2: Convert to fraction form
    586,837.36/809,790.92 = 357,369.22/x
  3. Step 3: Cross multiply
    586,837.36x = 809,790.92 × 357,369.22
  4. Step 4: Simplify right side
    586,837.36x = 289,394,343,607.68
  5. Step 5: Solve for x
    x = 289,394,343,607.68/586,837.36
  6. Step 6: Final answer
    x = 493,142.34

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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.