Home / 804,956.60-1,207,434.90-385,052.60

Finding the Fourth Proportional to 804,956.60, 1,207,434.90 and 385,052.60

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Solution

The fourth proportional to 804,956.60, 1,207,434.90 and 385,052.60 is: 577,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,956.60 : 1,207,434.90 = 385,052.60 : x
  2. Step 2: Convert to fraction form
    804,956.60/1,207,434.90 = 385,052.60/x
  3. Step 3: Cross multiply
    804,956.60x = 1,207,434.90 × 385,052.60
  4. Step 4: Simplify right side
    804,956.60x = 464,925,947,575.74
  5. Step 5: Solve for x
    x = 464,925,947,575.74/804,956.60
  6. Step 6: Final answer
    x = 577,578.90

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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.