Home / 1,867,902.56-2,801,855.90-520,068.12

Finding the Fourth Proportional to 1,867,902.56, 2,801,855.90 and 520,068.12

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Solution

The fourth proportional to 1,867,902.56, 2,801,855.90 and 520,068.12 is: 780,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,902.56 : 2,801,855.90 = 520,068.12 : x
  2. Step 2: Convert to fraction form
    1,867,902.56/2,801,855.90 = 520,068.12/x
  3. Step 3: Cross multiply
    1,867,902.56x = 2,801,855.90 × 520,068.12
  4. Step 4: Simplify right side
    1,867,902.56x = 1,457,155,930,423.91
  5. Step 5: Solve for x
    x = 1,457,155,930,423.91/1,867,902.56
  6. Step 6: Final answer
    x = 780,102.75

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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.