Home / 552,788.07-827,853.36-315,411.09

Finding the Fourth Proportional to 552,788.07, 827,853.36 and 315,411.09

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Solution

The fourth proportional to 552,788.07, 827,853.36 and 315,411.09 is: 472,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,788.07 : 827,853.36 = 315,411.09 : x
  2. Step 2: Convert to fraction form
    552,788.07/827,853.36 = 315,411.09/x
  3. Step 3: Cross multiply
    552,788.07x = 827,853.36 × 315,411.09
  4. Step 4: Simplify right side
    552,788.07x = 261,114,130,637.76
  5. Step 5: Solve for x
    x = 261,114,130,637.76/552,788.07
  6. Step 6: Final answer
    x = 472,358.48

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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.