Home / 621,639.36-932,460.86-510,091.43

Finding the Fourth Proportional to 621,639.36, 932,460.86 and 510,091.43

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Solution

The fourth proportional to 621,639.36, 932,460.86 and 510,091.43 is: 765,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,639.36 : 932,460.86 = 510,091.43 : x
  2. Step 2: Convert to fraction form
    621,639.36/932,460.86 = 510,091.43/x
  3. Step 3: Cross multiply
    621,639.36x = 932,460.86 × 510,091.43
  4. Step 4: Simplify right side
    621,639.36x = 475,640,290,109.35
  5. Step 5: Solve for x
    x = 475,640,290,109.35/621,639.36
  6. Step 6: Final answer
    x = 765,138.63

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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.