Home / 689,982.79-952,187.03-384,062.50

Finding the Fourth Proportional to 689,982.79, 952,187.03 and 384,062.50

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Solution

The fourth proportional to 689,982.79, 952,187.03 and 384,062.50 is: 530,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,982.79 : 952,187.03 = 384,062.50 : x
  2. Step 2: Convert to fraction form
    689,982.79/952,187.03 = 384,062.50/x
  3. Step 3: Cross multiply
    689,982.79x = 952,187.03 × 384,062.50
  4. Step 4: Simplify right side
    689,982.79x = 365,699,331,209.38
  5. Step 5: Solve for x
    x = 365,699,331,209.38/689,982.79
  6. Step 6: Final answer
    x = 530,012.25

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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.