Home / 690,183.07-952,118.74-445,103.17

Finding the Fourth Proportional to 690,183.07, 952,118.74 and 445,103.17

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Solution

The fourth proportional to 690,183.07, 952,118.74 and 445,103.17 is: 614,027.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,183.07 : 952,118.74 = 445,103.17 : x
  2. Step 2: Convert to fraction form
    690,183.07/952,118.74 = 445,103.17/x
  3. Step 3: Cross multiply
    690,183.07x = 952,118.74 × 445,103.17
  4. Step 4: Simplify right side
    690,183.07x = 423,791,069,390.41
  5. Step 5: Solve for x
    x = 423,791,069,390.41/690,183.07
  6. Step 6: Final answer
    x = 614,027.04

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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.