Home / 856,442.88-1,181,383.68-516,710.40

Finding the Fourth Proportional to 856,442.88, 1,181,383.68 and 516,710.40

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Solution

The fourth proportional to 856,442.88, 1,181,383.68 and 516,710.40 is: 712,754.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,442.88 : 1,181,383.68 = 516,710.40 : x
  2. Step 2: Convert to fraction form
    856,442.88/1,181,383.68 = 516,710.40/x
  3. Step 3: Cross multiply
    856,442.88x = 1,181,383.68 × 516,710.40
  4. Step 4: Simplify right side
    856,442.88x = 610,433,233,846.27
  5. Step 5: Solve for x
    x = 610,433,233,846.27/856,442.88
  6. Step 6: Final answer
    x = 712,754.17

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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.