Home / 1,545,224.94-2,318,169.78-520,657.20

Finding the Fourth Proportional to 1,545,224.94, 2,318,169.78 and 520,657.20

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Solution

The fourth proportional to 1,545,224.94, 2,318,169.78 and 520,657.20 is: 781,097.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,224.94 : 2,318,169.78 = 520,657.20 : x
  2. Step 2: Convert to fraction form
    1,545,224.94/2,318,169.78 = 520,657.20/x
  3. Step 3: Cross multiply
    1,545,224.94x = 2,318,169.78 × 520,657.20
  4. Step 4: Simplify right side
    1,545,224.94x = 1,206,971,786,779.42
  5. Step 5: Solve for x
    x = 1,206,971,786,779.42/1,545,224.94
  6. Step 6: Final answer
    x = 781,097.79

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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.