Home / 621,249.36-931,875.39-171,971.52

Finding the Fourth Proportional to 621,249.36, 931,875.39 and 171,971.52

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Solution

The fourth proportional to 621,249.36, 931,875.39 and 171,971.52 is: 257,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,249.36 : 931,875.39 = 171,971.52 : x
  2. Step 2: Convert to fraction form
    621,249.36/931,875.39 = 171,971.52/x
  3. Step 3: Cross multiply
    621,249.36x = 931,875.39 × 171,971.52
  4. Step 4: Simplify right side
    621,249.36x = 160,256,027,268.89
  5. Step 5: Solve for x
    x = 160,256,027,268.89/621,249.36
  6. Step 6: Final answer
    x = 257,957.65

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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.