Home / 749,103.05-1,033,508.99-426,584.45

Finding the Fourth Proportional to 749,103.05, 1,033,508.99 and 426,584.45

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Solution

The fourth proportional to 749,103.05, 1,033,508.99 and 426,584.45 is: 588,542.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,103.05 : 1,033,508.99 = 426,584.45 : x
  2. Step 2: Convert to fraction form
    749,103.05/1,033,508.99 = 426,584.45/x
  3. Step 3: Cross multiply
    749,103.05x = 1,033,508.99 × 426,584.45
  4. Step 4: Simplify right side
    749,103.05x = 440,878,864,069.21
  5. Step 5: Solve for x
    x = 440,878,864,069.21/749,103.05
  6. Step 6: Final answer
    x = 588,542.34

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.