Home / 1,418,216.70-2,127,000.60-407,330.68

Finding the Fourth Proportional to 1,418,216.70, 2,127,000.60 and 407,330.68

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Solution

The fourth proportional to 1,418,216.70, 2,127,000.60 and 407,330.68 is: 610,902.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,216.70 : 2,127,000.60 = 407,330.68 : x
  2. Step 2: Convert to fraction form
    1,418,216.70/2,127,000.60 = 407,330.68/x
  3. Step 3: Cross multiply
    1,418,216.70x = 2,127,000.60 × 407,330.68
  4. Step 4: Simplify right side
    1,418,216.70x = 866,392,600,758.41
  5. Step 5: Solve for x
    x = 866,392,600,758.41/1,418,216.70
  6. Step 6: Final answer
    x = 610,902.83

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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.