Home / 389,600.01-537,618.47-219,849.93

Finding the Fourth Proportional to 389,600.01, 537,618.47 and 219,849.93

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Solution

The fourth proportional to 389,600.01, 537,618.47 and 219,849.93 is: 303,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,600.01 : 537,618.47 = 219,849.93 : x
  2. Step 2: Convert to fraction form
    389,600.01/537,618.47 = 219,849.93/x
  3. Step 3: Cross multiply
    389,600.01x = 537,618.47 × 219,849.93
  4. Step 4: Simplify right side
    389,600.01x = 118,195,381,896.96
  5. Step 5: Solve for x
    x = 118,195,381,896.96/389,600.01
  6. Step 6: Final answer
    x = 303,376.23

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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.