Home / 689,955.89-952,131.85-384,027.39

Finding the Fourth Proportional to 689,955.89, 952,131.85 and 384,027.39

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Solution

The fourth proportional to 689,955.89, 952,131.85 and 384,027.39 is: 529,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,955.89 : 952,131.85 = 384,027.39 : x
  2. Step 2: Convert to fraction form
    689,955.89/952,131.85 = 384,027.39/x
  3. Step 3: Cross multiply
    689,955.89x = 952,131.85 × 384,027.39
  4. Step 4: Simplify right side
    689,955.89x = 365,644,708,331.30
  5. Step 5: Solve for x
    x = 365,644,708,331.30/689,955.89
  6. Step 6: Final answer
    x = 529,953.75

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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.