Home / 423,723-584,738.28-232,740.12

Finding the Fourth Proportional to 423,723, 584,738.28 and 232,740.12

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Solution

The fourth proportional to 423,723, 584,738.28 and 232,740.12 is: 321,181.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,723 : 584,738.28 = 232,740.12 : x
  2. Step 2: Convert to fraction form
    423,723/584,738.28 = 232,740.12/x
  3. Step 3: Cross multiply
    423,723x = 584,738.28 × 232,740.12
  4. Step 4: Simplify right side
    423,723x = 136,092,057,455.79
  5. Step 5: Solve for x
    x = 136,092,057,455.79/423,723
  6. Step 6: Final answer
    x = 321,181.66

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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.