Home / 1,569,109.45-2,353,664.18-431,869.45

Finding the Fourth Proportional to 1,569,109.45, 2,353,664.18 and 431,869.45

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Solution

The fourth proportional to 1,569,109.45, 2,353,664.18 and 431,869.45 is: 647,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,109.45 : 2,353,664.18 = 431,869.45 : x
  2. Step 2: Convert to fraction form
    1,569,109.45/2,353,664.18 = 431,869.45/x
  3. Step 3: Cross multiply
    1,569,109.45x = 2,353,664.18 × 431,869.45
  4. Step 4: Simplify right side
    1,569,109.45x = 1,016,475,654,901.30
  5. Step 5: Solve for x
    x = 1,016,475,654,901.30/1,569,109.45
  6. Step 6: Final answer
    x = 647,804.18

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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.