Home / 1,867,905.56-2,801,860.40-520,071.12

Finding the Fourth Proportional to 1,867,905.56, 2,801,860.40 and 520,071.12

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Solution

The fourth proportional to 1,867,905.56, 2,801,860.40 and 520,071.12 is: 780,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,905.56 : 2,801,860.40 = 520,071.12 : x
  2. Step 2: Convert to fraction form
    1,867,905.56/2,801,860.40 = 520,071.12/x
  3. Step 3: Cross multiply
    1,867,905.56x = 2,801,860.40 × 520,071.12
  4. Step 4: Simplify right side
    1,867,905.56x = 1,457,166,676,311.65
  5. Step 5: Solve for x
    x = 1,457,166,676,311.65/1,867,905.56
  6. Step 6: Final answer
    x = 780,107.25

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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.