Home / 397,795.02-548,949.46-216,510.95

Finding the Fourth Proportional to 397,795.02, 548,949.46 and 216,510.95

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Solution

The fourth proportional to 397,795.02, 548,949.46 and 216,510.95 is: 298,780.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,795.02 : 548,949.46 = 216,510.95 : x
  2. Step 2: Convert to fraction form
    397,795.02/548,949.46 = 216,510.95/x
  3. Step 3: Cross multiply
    397,795.02x = 548,949.46 × 216,510.95
  4. Step 4: Simplify right side
    397,795.02x = 118,853,565,259.29
  5. Step 5: Solve for x
    x = 118,853,565,259.29/397,795.02
  6. Step 6: Final answer
    x = 298,780.93

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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.