Home / 3,113,065.70-4,669,598.55-869,200.10

Finding the Fourth Proportional to 3,113,065.70, 4,669,598.55 and 869,200.10

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Solution

The fourth proportional to 3,113,065.70, 4,669,598.55 and 869,200.10 is: 1,303,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,065.70 : 4,669,598.55 = 869,200.10 : x
  2. Step 2: Convert to fraction form
    3,113,065.70/4,669,598.55 = 869,200.10/x
  3. Step 3: Cross multiply
    3,113,065.70x = 4,669,598.55 × 869,200.10
  4. Step 4: Simplify right side
    3,113,065.70x = 4,058,815,526,619.85
  5. Step 5: Solve for x
    x = 4,058,815,526,619.85/3,113,065.70
  6. Step 6: Final answer
    x = 1,303,800.15

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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.