Home / 905,800.32-1,358,758.80-531,036

Finding the Fourth Proportional to 905,800.32, 1,358,758.80 and 531,036

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Solution

The fourth proportional to 905,800.32, 1,358,758.80 and 531,036 is: 796,588.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,800.32 : 1,358,758.80 = 531,036 : x
  2. Step 2: Convert to fraction form
    905,800.32/1,358,758.80 = 531,036/x
  3. Step 3: Cross multiply
    905,800.32x = 1,358,758.80 × 531,036
  4. Step 4: Simplify right side
    905,800.32x = 721,549,838,116.80
  5. Step 5: Solve for x
    x = 721,549,838,116.80/905,800.32
  6. Step 6: Final answer
    x = 796,588.19

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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.