Home / 1,569,009.20-2,353,513.80-431,769.20

Finding the Fourth Proportional to 1,569,009.20, 2,353,513.80 and 431,769.20

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Solution

The fourth proportional to 1,569,009.20, 2,353,513.80 and 431,769.20 is: 647,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,009.20 : 2,353,513.80 = 431,769.20 : x
  2. Step 2: Convert to fraction form
    1,569,009.20/2,353,513.80 = 431,769.20/x
  3. Step 3: Cross multiply
    1,569,009.20x = 2,353,513.80 × 431,769.20
  4. Step 4: Simplify right side
    1,569,009.20x = 1,016,174,770,614.96
  5. Step 5: Solve for x
    x = 1,016,174,770,614.96/1,569,009.20
  6. Step 6: Final answer
    x = 647,653.80

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Double scale
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Similar ratio
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1.5x scale

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.