Home / 828,755.26-1,143,268.23-523,210.30

Finding the Fourth Proportional to 828,755.26, 1,143,268.23 and 523,210.30

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Solution

The fourth proportional to 828,755.26, 1,143,268.23 and 523,210.30 is: 721,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,755.26 : 1,143,268.23 = 523,210.30 : x
  2. Step 2: Convert to fraction form
    828,755.26/1,143,268.23 = 523,210.30/x
  3. Step 3: Cross multiply
    828,755.26x = 1,143,268.23 × 523,210.30
  4. Step 4: Simplify right side
    828,755.26x = 598,169,713,598.77
  5. Step 5: Solve for x
    x = 598,169,713,598.77/828,755.26
  6. Step 6: Final answer
    x = 721,768.83

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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.