Home / 681,180.08-940,071.48-379,373.36

Finding the Fourth Proportional to 681,180.08, 940,071.48 and 379,373.36

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Solution

The fourth proportional to 681,180.08, 940,071.48 and 379,373.36 is: 523,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,180.08 : 940,071.48 = 379,373.36 : x
  2. Step 2: Convert to fraction form
    681,180.08/940,071.48 = 379,373.36/x
  3. Step 3: Cross multiply
    681,180.08x = 940,071.48 × 379,373.36
  4. Step 4: Simplify right side
    681,180.08x = 356,638,076,007.77
  5. Step 5: Solve for x
    x = 356,638,076,007.77/681,180.08
  6. Step 6: Final answer
    x = 523,559.17

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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.