Home / 5,390,306.20-8,085,459.30-4,433,712.40

Finding the Fourth Proportional to 5,390,306.20, 8,085,459.30 and 4,433,712.40

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Solution

The fourth proportional to 5,390,306.20, 8,085,459.30 and 4,433,712.40 is: 6,650,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,306.20 : 8,085,459.30 = 4,433,712.40 : x
  2. Step 2: Convert to fraction form
    5,390,306.20/8,085,459.30 = 4,433,712.40/x
  3. Step 3: Cross multiply
    5,390,306.20x = 8,085,459.30 × 4,433,712.40
  4. Step 4: Simplify right side
    5,390,306.20x = 35,848,601,158,105.32
  5. Step 5: Solve for x
    x = 35,848,601,158,105.32/5,390,306.20
  6. Step 6: Final answer
    x = 6,650,568.60

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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.