Home / 1,091,628.48-1,637,112.24-381,524.16

Finding the Fourth Proportional to 1,091,628.48, 1,637,112.24 and 381,524.16

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Solution

The fourth proportional to 1,091,628.48, 1,637,112.24 and 381,524.16 is: 572,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,628.48 : 1,637,112.24 = 381,524.16 : x
  2. Step 2: Convert to fraction form
    1,091,628.48/1,637,112.24 = 381,524.16/x
  3. Step 3: Cross multiply
    1,091,628.48x = 1,637,112.24 × 381,524.16
  4. Step 4: Simplify right side
    1,091,628.48x = 624,597,872,191.72
  5. Step 5: Solve for x
    x = 624,597,872,191.72/1,091,628.48
  6. Step 6: Final answer
    x = 572,170.74

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Double scale
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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.