Home / 1,912,305.08-2,867,789.10-564,109.76

Finding the Fourth Proportional to 1,912,305.08, 2,867,789.10 and 564,109.76

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Solution

The fourth proportional to 1,912,305.08, 2,867,789.10 and 564,109.76 is: 845,967.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,305.08 : 2,867,789.10 = 564,109.76 : x
  2. Step 2: Convert to fraction form
    1,912,305.08/2,867,789.10 = 564,109.76/x
  3. Step 3: Cross multiply
    1,912,305.08x = 2,867,789.10 × 564,109.76
  4. Step 4: Simplify right side
    1,912,305.08x = 1,617,747,820,931.62
  5. Step 5: Solve for x
    x = 1,617,747,820,931.62/1,912,305.08
  6. Step 6: Final answer
    x = 845,967.43

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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.