Home / 397,368.02-548,374.38-216,083.54

Finding the Fourth Proportional to 397,368.02, 548,374.38 and 216,083.54

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Solution

The fourth proportional to 397,368.02, 548,374.38 and 216,083.54 is: 298,198.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,368.02 : 548,374.38 = 216,083.54 : x
  2. Step 2: Convert to fraction form
    397,368.02/548,374.38 = 216,083.54/x
  3. Step 3: Cross multiply
    397,368.02x = 548,374.38 × 216,083.54
  4. Step 4: Simplify right side
    397,368.02x = 118,494,677,275.71
  5. Step 5: Solve for x
    x = 118,494,677,275.71/397,368.02
  6. Step 6: Final answer
    x = 298,198.83

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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.