Home / 856,180.77-1,181,538.14-516,583.41

Finding the Fourth Proportional to 856,180.77, 1,181,538.14 and 516,583.41

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Solution

The fourth proportional to 856,180.77, 1,181,538.14 and 516,583.41 is: 712,890.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,180.77 : 1,181,538.14 = 516,583.41 : x
  2. Step 2: Convert to fraction form
    856,180.77/1,181,538.14 = 516,583.41/x
  3. Step 3: Cross multiply
    856,180.77x = 1,181,538.14 × 516,583.41
  4. Step 4: Simplify right side
    856,180.77x = 610,362,997,298.35
  5. Step 5: Solve for x
    x = 610,362,997,298.35/856,180.77
  6. Step 6: Final answer
    x = 712,890.34

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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.