Home / 372,721.83-561,572.34-337,228.65

Finding the Fourth Proportional to 372,721.83, 561,572.34 and 337,228.65

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Solution

The fourth proportional to 372,721.83, 561,572.34 and 337,228.65 is: 508,095.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,721.83 : 561,572.34 = 337,228.65 : x
  2. Step 2: Convert to fraction form
    372,721.83/561,572.34 = 337,228.65/x
  3. Step 3: Cross multiply
    372,721.83x = 561,572.34 × 337,228.65
  4. Step 4: Simplify right side
    372,721.83x = 189,378,282,095.54
  5. Step 5: Solve for x
    x = 189,378,282,095.54/372,721.83
  6. Step 6: Final answer
    x = 508,095.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.