Home / 909,923.54-1,256,097.12-587,790.68

Finding the Fourth Proportional to 909,923.54, 1,256,097.12 and 587,790.68

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Solution

The fourth proportional to 909,923.54, 1,256,097.12 and 587,790.68 is: 811,411.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,923.54 : 1,256,097.12 = 587,790.68 : x
  2. Step 2: Convert to fraction form
    909,923.54/1,256,097.12 = 587,790.68/x
  3. Step 3: Cross multiply
    909,923.54x = 1,256,097.12 × 587,790.68
  4. Step 4: Simplify right side
    909,923.54x = 738,322,180,310.84
  5. Step 5: Solve for x
    x = 738,322,180,310.84/909,923.54
  6. Step 6: Final answer
    x = 811,411.23

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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.