Home / 4,665,143.80-6,997,715.70-4,399,423.30

Finding the Fourth Proportional to 4,665,143.80, 6,997,715.70 and 4,399,423.30

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Solution

The fourth proportional to 4,665,143.80, 6,997,715.70 and 4,399,423.30 is: 6,599,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665,143.80 : 6,997,715.70 = 4,399,423.30 : x
  2. Step 2: Convert to fraction form
    4,665,143.80/6,997,715.70 = 4,399,423.30/x
  3. Step 3: Cross multiply
    4,665,143.80x = 6,997,715.70 × 4,399,423.30
  4. Step 4: Simplify right side
    4,665,143.80x = 30,785,913,497,355.81
  5. Step 5: Solve for x
    x = 30,785,913,497,355.81/4,665,143.80
  6. Step 6: Final answer
    x = 6,599,134.95

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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.