Home / 369,069.18-553,778.73-219,604.74

Finding the Fourth Proportional to 369,069.18, 553,778.73 and 219,604.74

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Solution

The fourth proportional to 369,069.18, 553,778.73 and 219,604.74 is: 329,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,069.18 : 553,778.73 = 219,604.74 : x
  2. Step 2: Convert to fraction form
    369,069.18/553,778.73 = 219,604.74/x
  3. Step 3: Cross multiply
    369,069.18x = 553,778.73 × 219,604.74
  4. Step 4: Simplify right side
    369,069.18x = 121,612,434,019.18
  5. Step 5: Solve for x
    x = 121,612,434,019.18/369,069.18
  6. Step 6: Final answer
    x = 329,511.22

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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.