Home / 986,444.92-1,478,778.80-354,914.38

Finding the Fourth Proportional to 986,444.92, 1,478,778.80 and 354,914.38

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Solution

The fourth proportional to 986,444.92, 1,478,778.80 and 354,914.38 is: 532,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,444.92 : 1,478,778.80 = 354,914.38 : x
  2. Step 2: Convert to fraction form
    986,444.92/1,478,778.80 = 354,914.38/x
  3. Step 3: Cross multiply
    986,444.92x = 1,478,778.80 × 354,914.38
  4. Step 4: Simplify right side
    986,444.92x = 524,839,851,790.68
  5. Step 5: Solve for x
    x = 524,839,851,790.68/986,444.92
  6. Step 6: Final answer
    x = 532,051.86

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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.