Home / 1,569,171.70-2,353,757.55-431,931.70

Finding the Fourth Proportional to 1,569,171.70, 2,353,757.55 and 431,931.70

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Solution

The fourth proportional to 1,569,171.70, 2,353,757.55 and 431,931.70 is: 647,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,171.70 : 2,353,757.55 = 431,931.70 : x
  2. Step 2: Convert to fraction form
    1,569,171.70/2,353,757.55 = 431,931.70/x
  3. Step 3: Cross multiply
    1,569,171.70x = 2,353,757.55 × 431,931.70
  4. Step 4: Simplify right side
    1,569,171.70x = 1,016,662,499,959.34
  5. Step 5: Solve for x
    x = 1,016,662,499,959.34/1,569,171.70
  6. Step 6: Final answer
    x = 647,897.55

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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.