Home / 725,194.52-1,087,418.28-325,492.64

Finding the Fourth Proportional to 725,194.52, 1,087,418.28 and 325,492.64

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Solution

The fourth proportional to 725,194.52, 1,087,418.28 and 325,492.64 is: 488,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,194.52 : 1,087,418.28 = 325,492.64 : x
  2. Step 2: Convert to fraction form
    725,194.52/1,087,418.28 = 325,492.64/x
  3. Step 3: Cross multiply
    725,194.52x = 1,087,418.28 × 325,492.64
  4. Step 4: Simplify right side
    725,194.52x = 353,946,646,741.46
  5. Step 5: Solve for x
    x = 353,946,646,741.46/725,194.52
  6. Step 6: Final answer
    x = 488,071.32

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Double scale
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1.5x scale

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.