Home / 938,713.84-1,408,770.28-377,752.56

Finding the Fourth Proportional to 938,713.84, 1,408,770.28 and 377,752.56

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Solution

The fourth proportional to 938,713.84, 1,408,770.28 and 377,752.56 is: 566,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,713.84 : 1,408,770.28 = 377,752.56 : x
  2. Step 2: Convert to fraction form
    938,713.84/1,408,770.28 = 377,752.56/x
  3. Step 3: Cross multiply
    938,713.84x = 1,408,770.28 × 377,752.56
  4. Step 4: Simplify right side
    938,713.84x = 532,166,579,721.92
  5. Step 5: Solve for x
    x = 532,166,579,721.92/938,713.84
  6. Step 6: Final answer
    x = 566,910.34

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Double scale
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Similar ratio
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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.