Home / 828,291.08-1,140,220.86-613,025.48

Finding the Fourth Proportional to 828,291.08, 1,140,220.86 and 613,025.48

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Solution

The fourth proportional to 828,291.08, 1,140,220.86 and 613,025.48 is: 843,887.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,291.08 : 1,140,220.86 = 613,025.48 : x
  2. Step 2: Convert to fraction form
    828,291.08/1,140,220.86 = 613,025.48/x
  3. Step 3: Cross multiply
    828,291.08x = 1,140,220.86 × 613,025.48
  4. Step 4: Simplify right side
    828,291.08x = 698,984,440,007.51
  5. Step 5: Solve for x
    x = 698,984,440,007.51/828,291.08
  6. Step 6: Final answer
    x = 843,887.44

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Double scale
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1.5x scale

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.