Home / 685,186.41-945,533.13-379,263.38

Finding the Fourth Proportional to 685,186.41, 945,533.13 and 379,263.38

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Solution

The fourth proportional to 685,186.41, 945,533.13 and 379,263.38 is: 523,370.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,186.41 : 945,533.13 = 379,263.38 : x
  2. Step 2: Convert to fraction form
    685,186.41/945,533.13 = 379,263.38/x
  3. Step 3: Cross multiply
    685,186.41x = 945,533.13 × 379,263.38
  4. Step 4: Simplify right side
    685,186.41x = 358,606,086,058.11
  5. Step 5: Solve for x
    x = 358,606,086,058.11/685,186.41
  6. Step 6: Final answer
    x = 523,370.11

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1.5x scale

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.