Home / 689,956.89-952,133.23-384,028.39

Finding the Fourth Proportional to 689,956.89, 952,133.23 and 384,028.39

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Solution

The fourth proportional to 689,956.89, 952,133.23 and 384,028.39 is: 529,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,956.89 : 952,133.23 = 384,028.39 : x
  2. Step 2: Convert to fraction form
    689,956.89/952,133.23 = 384,028.39/x
  3. Step 3: Cross multiply
    689,956.89x = 952,133.23 × 384,028.39
  4. Step 4: Simplify right side
    689,956.89x = 365,646,191,382.40
  5. Step 5: Solve for x
    x = 365,646,191,382.40/689,956.89
  6. Step 6: Final answer
    x = 529,955.13

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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.