Home / 584,421.20-876,631.80-374,469.20

Finding the Fourth Proportional to 584,421.20, 876,631.80 and 374,469.20

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Solution

The fourth proportional to 584,421.20, 876,631.80 and 374,469.20 is: 561,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,421.20 : 876,631.80 = 374,469.20 : x
  2. Step 2: Convert to fraction form
    584,421.20/876,631.80 = 374,469.20/x
  3. Step 3: Cross multiply
    584,421.20x = 876,631.80 × 374,469.20
  4. Step 4: Simplify right side
    584,421.20x = 328,271,608,840.56
  5. Step 5: Solve for x
    x = 328,271,608,840.56/584,421.20
  6. Step 6: Final answer
    x = 561,703.80

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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.