Home / 690,010.43-952,204.19-384,086.36

Finding the Fourth Proportional to 690,010.43, 952,204.19 and 384,086.36

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Solution

The fourth proportional to 690,010.43, 952,204.19 and 384,086.36 is: 530,033.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,010.43 : 952,204.19 = 384,086.36 : x
  2. Step 2: Convert to fraction form
    690,010.43/952,204.19 = 384,086.36/x
  3. Step 3: Cross multiply
    690,010.43x = 952,204.19 × 384,086.36
  4. Step 4: Simplify right side
    690,010.43x = 365,728,634,632.40
  5. Step 5: Solve for x
    x = 365,728,634,632.40/690,010.43
  6. Step 6: Final answer
    x = 530,033.49

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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.