Home / 827,215.82-1,141,585.53-459,708.45

Finding the Fourth Proportional to 827,215.82, 1,141,585.53 and 459,708.45

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Solution

The fourth proportional to 827,215.82, 1,141,585.53 and 459,708.45 is: 634,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,215.82 : 1,141,585.53 = 459,708.45 : x
  2. Step 2: Convert to fraction form
    827,215.82/1,141,585.53 = 459,708.45/x
  3. Step 3: Cross multiply
    827,215.82x = 1,141,585.53 × 459,708.45
  4. Step 4: Simplify right side
    827,215.82x = 524,796,514,538.73
  5. Step 5: Solve for x
    x = 524,796,514,538.73/827,215.82
  6. Step 6: Final answer
    x = 634,413.05

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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.