Home / 945,878.58-1,305,340.20-516,186.44

Finding the Fourth Proportional to 945,878.58, 1,305,340.20 and 516,186.44

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Solution

The fourth proportional to 945,878.58, 1,305,340.20 and 516,186.44 is: 712,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,878.58 : 1,305,340.20 = 516,186.44 : x
  2. Step 2: Convert to fraction form
    945,878.58/1,305,340.20 = 516,186.44/x
  3. Step 3: Cross multiply
    945,878.58x = 1,305,340.20 × 516,186.44
  4. Step 4: Simplify right side
    945,878.58x = 673,798,904,300.19
  5. Step 5: Solve for x
    x = 673,798,904,300.19/945,878.58
  6. Step 6: Final answer
    x = 712,352.43

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Double scale
Find fourth proportional to 945,879.58, 1,305,341.58 and 516,187.44
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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.