Home / 584,272.20-876,408.30-374,320.20

Finding the Fourth Proportional to 584,272.20, 876,408.30 and 374,320.20

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Solution

The fourth proportional to 584,272.20, 876,408.30 and 374,320.20 is: 561,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,272.20 : 876,408.30 = 374,320.20 : x
  2. Step 2: Convert to fraction form
    584,272.20/876,408.30 = 374,320.20/x
  3. Step 3: Cross multiply
    584,272.20x = 876,408.30 × 374,320.20
  4. Step 4: Simplify right side
    584,272.20x = 328,057,330,137.66
  5. Step 5: Solve for x
    x = 328,057,330,137.66/584,272.20
  6. Step 6: Final answer
    x = 561,480.30

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Half scale
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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.