Home / 530,185.60-795,278.40-320,233.60

Finding the Fourth Proportional to 530,185.60, 795,278.40 and 320,233.60

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Solution

The fourth proportional to 530,185.60, 795,278.40 and 320,233.60 is: 480,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,185.60 : 795,278.40 = 320,233.60 : x
  2. Step 2: Convert to fraction form
    530,185.60/795,278.40 = 320,233.60/x
  3. Step 3: Cross multiply
    530,185.60x = 795,278.40 × 320,233.60
  4. Step 4: Simplify right side
    530,185.60x = 254,674,865,034.24
  5. Step 5: Solve for x
    x = 254,674,865,034.24/530,185.60
  6. Step 6: Final answer
    x = 480,350.40

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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.