Home / 689,768.58-952,145.44-518,184.24

Finding the Fourth Proportional to 689,768.58, 952,145.44 and 518,184.24

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Solution

The fourth proportional to 689,768.58, 952,145.44 and 518,184.24 is: 715,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,768.58 : 952,145.44 = 518,184.24 : x
  2. Step 2: Convert to fraction form
    689,768.58/952,145.44 = 518,184.24/x
  3. Step 3: Cross multiply
    689,768.58x = 952,145.44 × 518,184.24
  4. Step 4: Simplify right side
    689,768.58x = 493,386,761,195.87
  5. Step 5: Solve for x
    x = 493,386,761,195.87/689,768.58
  6. Step 6: Final answer
    x = 715,293.18

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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.