Home / 389,973.73-584,586.90-165,024.72

Finding the Fourth Proportional to 389,973.73, 584,586.90 and 165,024.72

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Solution

The fourth proportional to 389,973.73, 584,586.90 and 165,024.72 is: 247,378.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,973.73 : 584,586.90 = 165,024.72 : x
  2. Step 2: Convert to fraction form
    389,973.73/584,586.90 = 165,024.72/x
  3. Step 3: Cross multiply
    389,973.73x = 584,586.90 × 165,024.72
  4. Step 4: Simplify right side
    389,973.73x = 96,471,288,424.19
  5. Step 5: Solve for x
    x = 96,471,288,424.19/389,973.73
  6. Step 6: Final answer
    x = 247,378.94

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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.