Home / 652,351.08-899,411.34-422,502.36

Finding the Fourth Proportional to 652,351.08, 899,411.34 and 422,502.36

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Solution

The fourth proportional to 652,351.08, 899,411.34 and 422,502.36 is: 582,513.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,351.08 : 899,411.34 = 422,502.36 : x
  2. Step 2: Convert to fraction form
    652,351.08/899,411.34 = 422,502.36/x
  3. Step 3: Cross multiply
    652,351.08x = 899,411.34 × 422,502.36
  4. Step 4: Simplify right side
    652,351.08x = 380,003,413,760.76
  5. Step 5: Solve for x
    x = 380,003,413,760.76/652,351.08
  6. Step 6: Final answer
    x = 582,513.66

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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.