Home / 621,685.36-857,927.06-367,052.92

Finding the Fourth Proportional to 621,685.36, 857,927.06 and 367,052.92

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Solution

The fourth proportional to 621,685.36, 857,927.06 and 367,052.92 is: 506,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,685.36 : 857,927.06 = 367,052.92 : x
  2. Step 2: Convert to fraction form
    621,685.36/857,927.06 = 367,052.92/x
  3. Step 3: Cross multiply
    621,685.36x = 857,927.06 × 367,052.92
  4. Step 4: Simplify right side
    621,685.36x = 314,904,632,520.02
  5. Step 5: Solve for x
    x = 314,904,632,520.02/621,685.36
  6. Step 6: Final answer
    x = 506,533.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.