Home / 621,837.96-932,746.47-280,091.28

Finding the Fourth Proportional to 621,837.96, 932,746.47 and 280,091.28

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Solution

The fourth proportional to 621,837.96, 932,746.47 and 280,091.28 is: 420,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,837.96 : 932,746.47 = 280,091.28 : x
  2. Step 2: Convert to fraction form
    621,837.96/932,746.47 = 280,091.28/x
  3. Step 3: Cross multiply
    621,837.96x = 932,746.47 × 280,091.28
  4. Step 4: Simplify right side
    621,837.96x = 261,254,152,697.78
  5. Step 5: Solve for x
    x = 261,254,152,697.78/621,837.96
  6. Step 6: Final answer
    x = 420,132.20

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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.