Home / 5,385,611.60-8,078,417.40-3,685,000.40

Finding the Fourth Proportional to 5,385,611.60, 8,078,417.40 and 3,685,000.40

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Solution

The fourth proportional to 5,385,611.60, 8,078,417.40 and 3,685,000.40 is: 5,527,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,611.60 : 8,078,417.40 = 3,685,000.40 : x
  2. Step 2: Convert to fraction form
    5,385,611.60/8,078,417.40 = 3,685,000.40/x
  3. Step 3: Cross multiply
    5,385,611.60x = 8,078,417.40 × 3,685,000.40
  4. Step 4: Simplify right side
    5,385,611.60x = 29,768,971,350,366.96
  5. Step 5: Solve for x
    x = 29,768,971,350,366.96/5,385,611.60
  6. Step 6: Final answer
    x = 5,527,500.60

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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.