Home / 888,542.19-1,226,184.66-480,643.56

Finding the Fourth Proportional to 888,542.19, 1,226,184.66 and 480,643.56

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Solution

The fourth proportional to 888,542.19, 1,226,184.66 and 480,643.56 is: 663,286.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,542.19 : 1,226,184.66 = 480,643.56 : x
  2. Step 2: Convert to fraction form
    888,542.19/1,226,184.66 = 480,643.56/x
  3. Step 3: Cross multiply
    888,542.19x = 1,226,184.66 × 480,643.56
  4. Step 4: Simplify right side
    888,542.19x = 589,357,760,199.79
  5. Step 5: Solve for x
    x = 589,357,760,199.79/888,542.19
  6. Step 6: Final answer
    x = 663,286.19

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Half scale
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Double scale
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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.