Home / 577,207.60-865,811.40-262,279.60

Finding the Fourth Proportional to 577,207.60, 865,811.40 and 262,279.60

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Solution

The fourth proportional to 577,207.60, 865,811.40 and 262,279.60 is: 393,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,207.60 : 865,811.40 = 262,279.60 : x
  2. Step 2: Convert to fraction form
    577,207.60/865,811.40 = 262,279.60/x
  3. Step 3: Cross multiply
    577,207.60x = 865,811.40 × 262,279.60
  4. Step 4: Simplify right side
    577,207.60x = 227,084,667,667.44
  5. Step 5: Solve for x
    x = 227,084,667,667.44/577,207.60
  6. Step 6: Final answer
    x = 393,419.40

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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.