Home / 753,213-1,039,181.07-426,481.41

Finding the Fourth Proportional to 753,213, 1,039,181.07 and 426,481.41

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Solution

The fourth proportional to 753,213, 1,039,181.07 and 426,481.41 is: 588,401.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,213 : 1,039,181.07 = 426,481.41 : x
  2. Step 2: Convert to fraction form
    753,213/1,039,181.07 = 426,481.41/x
  3. Step 3: Cross multiply
    753,213x = 1,039,181.07 × 426,481.41
  4. Step 4: Simplify right side
    753,213x = 443,191,407,978.91
  5. Step 5: Solve for x
    x = 443,191,407,978.91/753,213
  6. Step 6: Final answer
    x = 588,401.17

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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.