Home / 689,982.66-952,186.83-384,062.36

Finding the Fourth Proportional to 689,982.66, 952,186.83 and 384,062.36

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Solution

The fourth proportional to 689,982.66, 952,186.83 and 384,062.36 is: 530,012.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,982.66 : 952,186.83 = 384,062.36 : x
  2. Step 2: Convert to fraction form
    689,982.66/952,186.83 = 384,062.36/x
  3. Step 3: Cross multiply
    689,982.66x = 952,186.83 × 384,062.36
  4. Step 4: Simplify right side
    689,982.66x = 365,699,116,329.79
  5. Step 5: Solve for x
    x = 365,699,116,329.79/689,982.66
  6. Step 6: Final answer
    x = 530,012.04

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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.