Home / 690,523.82-952,919.91-384,603.83

Finding the Fourth Proportional to 690,523.82, 952,919.91 and 384,603.83

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Solution

The fourth proportional to 690,523.82, 952,919.91 and 384,603.83 is: 530,751.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,523.82 : 952,919.91 = 384,603.83 : x
  2. Step 2: Convert to fraction form
    690,523.82/952,919.91 = 384,603.83/x
  3. Step 3: Cross multiply
    690,523.82x = 952,919.91 × 384,603.83
  4. Step 4: Simplify right side
    690,523.82x = 366,496,642,304.66
  5. Step 5: Solve for x
    x = 366,496,642,304.66/690,523.82
  6. Step 6: Final answer
    x = 530,751.63

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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.