Home / 1,942,463.40-2,912,658.30-819,263.40

Finding the Fourth Proportional to 1,942,463.40, 2,912,658.30 and 819,263.40

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Solution

The fourth proportional to 1,942,463.40, 2,912,658.30 and 819,263.40 is: 1,228,457.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,463.40 : 2,912,658.30 = 819,263.40 : x
  2. Step 2: Convert to fraction form
    1,942,463.40/2,912,658.30 = 819,263.40/x
  3. Step 3: Cross multiply
    1,942,463.40x = 2,912,658.30 × 819,263.40
  4. Step 4: Simplify right side
    1,942,463.40x = 2,386,234,341,896.22
  5. Step 5: Solve for x
    x = 2,386,234,341,896.22/1,942,463.40
  6. Step 6: Final answer
    x = 1,228,457.81

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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.