Home / 3,258,985.70-4,888,478.55-863,200.10

Finding the Fourth Proportional to 3,258,985.70, 4,888,478.55 and 863,200.10

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Solution

The fourth proportional to 3,258,985.70, 4,888,478.55 and 863,200.10 is: 1,294,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,985.70 : 4,888,478.55 = 863,200.10 : x
  2. Step 2: Convert to fraction form
    3,258,985.70/4,888,478.55 = 863,200.10/x
  3. Step 3: Cross multiply
    3,258,985.70x = 4,888,478.55 × 863,200.10
  4. Step 4: Simplify right side
    3,258,985.70x = 4,219,735,173,207.85
  5. Step 5: Solve for x
    x = 4,219,735,173,207.85/3,258,985.70
  6. Step 6: Final answer
    x = 1,294,800.15

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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.