Home / 584,821.20-877,231.80-444,853.20

Finding the Fourth Proportional to 584,821.20, 877,231.80 and 444,853.20

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Solution

The fourth proportional to 584,821.20, 877,231.80 and 444,853.20 is: 667,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,821.20 : 877,231.80 = 444,853.20 : x
  2. Step 2: Convert to fraction form
    584,821.20/877,231.80 = 444,853.20/x
  3. Step 3: Cross multiply
    584,821.20x = 877,231.80 × 444,853.20
  4. Step 4: Simplify right side
    584,821.20x = 390,239,373,371.76
  5. Step 5: Solve for x
    x = 390,239,373,371.76/584,821.20
  6. Step 6: Final answer
    x = 667,279.80

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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.