Home / 809,417.91-1,212,798.06-276,648.24

Finding the Fourth Proportional to 809,417.91, 1,212,798.06 and 276,648.24

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Solution

The fourth proportional to 809,417.91, 1,212,798.06 and 276,648.24 is: 414,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,417.91 : 1,212,798.06 = 276,648.24 : x
  2. Step 2: Convert to fraction form
    809,417.91/1,212,798.06 = 276,648.24/x
  3. Step 3: Cross multiply
    809,417.91x = 1,212,798.06 × 276,648.24
  4. Step 4: Simplify right side
    809,417.91x = 335,518,448,774.41
  5. Step 5: Solve for x
    x = 335,518,448,774.41/809,417.91
  6. Step 6: Final answer
    x = 414,518.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.