Home / 927,486.56-1,391,232.92-328,465.22

Finding the Fourth Proportional to 927,486.56, 1,391,232.92 and 328,465.22

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Solution

The fourth proportional to 927,486.56, 1,391,232.92 and 328,465.22 is: 492,698.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,486.56 : 1,391,232.92 = 328,465.22 : x
  2. Step 2: Convert to fraction form
    927,486.56/1,391,232.92 = 328,465.22/x
  3. Step 3: Cross multiply
    927,486.56x = 1,391,232.92 × 328,465.22
  4. Step 4: Simplify right side
    927,486.56x = 456,971,618,540.55
  5. Step 5: Solve for x
    x = 456,971,618,540.55/927,486.56
  6. Step 6: Final answer
    x = 492,698.91

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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.