Home / 1,569,178.45-2,353,767.68-431,938.45

Finding the Fourth Proportional to 1,569,178.45, 2,353,767.68 and 431,938.45

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Solution

The fourth proportional to 1,569,178.45, 2,353,767.68 and 431,938.45 is: 647,907.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,178.45 : 2,353,767.68 = 431,938.45 : x
  2. Step 2: Convert to fraction form
    1,569,178.45/2,353,767.68 = 431,938.45/x
  3. Step 3: Cross multiply
    1,569,178.45x = 2,353,767.68 × 431,938.45
  4. Step 4: Simplify right side
    1,569,178.45x = 1,016,682,763,359.30
  5. Step 5: Solve for x
    x = 1,016,682,763,359.30/1,569,178.45
  6. Step 6: Final answer
    x = 647,907.68

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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.