Home / 530,436.80-795,655.20-131,074.40

Finding the Fourth Proportional to 530,436.80, 795,655.20 and 131,074.40

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Solution

The fourth proportional to 530,436.80, 795,655.20 and 131,074.40 is: 196,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,436.80 : 795,655.20 = 131,074.40 : x
  2. Step 2: Convert to fraction form
    530,436.80/795,655.20 = 131,074.40/x
  3. Step 3: Cross multiply
    530,436.80x = 795,655.20 × 131,074.40
  4. Step 4: Simplify right side
    530,436.80x = 104,290,027,946.88
  5. Step 5: Solve for x
    x = 104,290,027,946.88/530,436.80
  6. Step 6: Final answer
    x = 196,611.60

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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.