Home / 434,438.62-651,058.32-313,531.23

Finding the Fourth Proportional to 434,438.62, 651,058.32 and 313,531.23

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Solution

The fourth proportional to 434,438.62, 651,058.32 and 313,531.23 is: 469,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,438.62 : 651,058.32 = 313,531.23 : x
  2. Step 2: Convert to fraction form
    434,438.62/651,058.32 = 313,531.23/x
  3. Step 3: Cross multiply
    434,438.62x = 651,058.32 × 313,531.23
  4. Step 4: Simplify right side
    434,438.62x = 204,127,115,871.33
  5. Step 5: Solve for x
    x = 204,127,115,871.33/434,438.62
  6. Step 6: Final answer
    x = 469,864.11

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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.