Home / 406,284.73-560,856.32-261,301.21

Finding the Fourth Proportional to 406,284.73, 560,856.32 and 261,301.21

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Solution

The fourth proportional to 406,284.73, 560,856.32 and 261,301.21 is: 360,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,284.73 : 560,856.32 = 261,301.21 : x
  2. Step 2: Convert to fraction form
    406,284.73/560,856.32 = 261,301.21/x
  3. Step 3: Cross multiply
    406,284.73x = 560,856.32 × 261,301.21
  4. Step 4: Simplify right side
    406,284.73x = 146,552,433,323.38
  5. Step 5: Solve for x
    x = 146,552,433,323.38/406,284.73
  6. Step 6: Final answer
    x = 360,713.62

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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.