Home / 591,519.60-887,279.40-355,323.60

Finding the Fourth Proportional to 591,519.60, 887,279.40 and 355,323.60

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Solution

The fourth proportional to 591,519.60, 887,279.40 and 355,323.60 is: 532,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,519.60 : 887,279.40 = 355,323.60 : x
  2. Step 2: Convert to fraction form
    591,519.60/887,279.40 = 355,323.60/x
  3. Step 3: Cross multiply
    591,519.60x = 887,279.40 × 355,323.60
  4. Step 4: Simplify right side
    591,519.60x = 315,271,310,613.84
  5. Step 5: Solve for x
    x = 315,271,310,613.84/591,519.60
  6. Step 6: Final answer
    x = 532,985.40

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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.