Home / 476,212.36-712,612.98-412,391.56

Finding the Fourth Proportional to 476,212.36, 712,612.98 and 412,391.56

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Solution

The fourth proportional to 476,212.36, 712,612.98 and 412,391.56 is: 617,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,212.36 : 712,612.98 = 412,391.56 : x
  2. Step 2: Convert to fraction form
    476,212.36/712,612.98 = 412,391.56/x
  3. Step 3: Cross multiply
    476,212.36x = 712,612.98 × 412,391.56
  4. Step 4: Simplify right side
    476,212.36x = 293,875,578,498.45
  5. Step 5: Solve for x
    x = 293,875,578,498.45/476,212.36
  6. Step 6: Final answer
    x = 617,110.35

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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.