Home / 819,546.84-1,227,002.03-434,418.17

Finding the Fourth Proportional to 819,546.84, 1,227,002.03 and 434,418.17

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Solution

The fourth proportional to 819,546.84, 1,227,002.03 and 434,418.17 is: 650,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,546.84 : 1,227,002.03 = 434,418.17 : x
  2. Step 2: Convert to fraction form
    819,546.84/1,227,002.03 = 434,418.17/x
  3. Step 3: Cross multiply
    819,546.84x = 1,227,002.03 × 434,418.17
  4. Step 4: Simplify right side
    819,546.84x = 533,031,970,323.88
  5. Step 5: Solve for x
    x = 533,031,970,323.88/819,546.84
  6. Step 6: Final answer
    x = 650,398.42

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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.