Home / 578,944.22-868,500.05-219,017.48

Finding the Fourth Proportional to 578,944.22, 868,500.05 and 219,017.48

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Solution

The fourth proportional to 578,944.22, 868,500.05 and 219,017.48 is: 328,557.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,944.22 : 868,500.05 = 219,017.48 : x
  2. Step 2: Convert to fraction form
    578,944.22/868,500.05 = 219,017.48/x
  3. Step 3: Cross multiply
    578,944.22x = 868,500.05 × 219,017.48
  4. Step 4: Simplify right side
    578,944.22x = 190,216,686,893.29
  5. Step 5: Solve for x
    x = 190,216,686,893.29/578,944.22
  6. Step 6: Final answer
    x = 328,557.89

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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.