Home / 701,742.36-968,403.76-379,451.72

Finding the Fourth Proportional to 701,742.36, 968,403.76 and 379,451.72

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Solution

The fourth proportional to 701,742.36, 968,403.76 and 379,451.72 is: 523,643.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,742.36 : 968,403.76 = 379,451.72 : x
  2. Step 2: Convert to fraction form
    701,742.36/968,403.76 = 379,451.72/x
  3. Step 3: Cross multiply
    701,742.36x = 968,403.76 × 379,451.72
  4. Step 4: Simplify right side
    701,742.36x = 367,462,472,386.47
  5. Step 5: Solve for x
    x = 367,462,472,386.47/701,742.36
  6. Step 6: Final answer
    x = 523,643.00

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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.