Home / 1,569,157.45-2,353,736.18-431,917.45

Finding the Fourth Proportional to 1,569,157.45, 2,353,736.18 and 431,917.45

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Solution

The fourth proportional to 1,569,157.45, 2,353,736.18 and 431,917.45 is: 647,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,157.45 : 2,353,736.18 = 431,917.45 : x
  2. Step 2: Convert to fraction form
    1,569,157.45/2,353,736.18 = 431,917.45/x
  3. Step 3: Cross multiply
    1,569,157.45x = 2,353,736.18 × 431,917.45
  4. Step 4: Simplify right side
    1,569,157.45x = 1,016,619,728,838.34
  5. Step 5: Solve for x
    x = 1,016,619,728,838.34/1,569,157.45
  6. Step 6: Final answer
    x = 647,876.18

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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.