Home / 558,986.70-838,404.45-222,275.10

Finding the Fourth Proportional to 558,986.70, 838,404.45 and 222,275.10

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Solution

The fourth proportional to 558,986.70, 838,404.45 and 222,275.10 is: 333,382.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,986.70 : 838,404.45 = 222,275.10 : x
  2. Step 2: Convert to fraction form
    558,986.70/838,404.45 = 222,275.10/x
  3. Step 3: Cross multiply
    558,986.70x = 838,404.45 × 222,275.10
  4. Step 4: Simplify right side
    558,986.70x = 186,356,432,964.20
  5. Step 5: Solve for x
    x = 186,356,432,964.20/558,986.70
  6. Step 6: Final answer
    x = 333,382.59

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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.