Home / 757,645.35-1,136,458.31-217,914.81

Finding the Fourth Proportional to 757,645.35, 1,136,458.31 and 217,914.81

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Solution

The fourth proportional to 757,645.35, 1,136,458.31 and 217,914.81 is: 326,869.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,645.35 : 1,136,458.31 = 217,914.81 : x
  2. Step 2: Convert to fraction form
    757,645.35/1,136,458.31 = 217,914.81/x
  3. Step 3: Cross multiply
    757,645.35x = 1,136,458.31 × 217,914.81
  4. Step 4: Simplify right side
    757,645.35x = 247,651,095,607.00
  5. Step 5: Solve for x
    x = 247,651,095,607.00/757,645.35
  6. Step 6: Final answer
    x = 326,869.42

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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.