Home / 397,376.04-548,385.44-216,091.56

Finding the Fourth Proportional to 397,376.04, 548,385.44 and 216,091.56

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Solution

The fourth proportional to 397,376.04, 548,385.44 and 216,091.56 is: 298,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,376.04 : 548,385.44 = 216,091.56 : x
  2. Step 2: Convert to fraction form
    397,376.04/548,385.44 = 216,091.56/x
  3. Step 3: Cross multiply
    397,376.04x = 548,385.44 × 216,091.56
  4. Step 4: Simplify right side
    397,376.04x = 118,501,465,210.89
  5. Step 5: Solve for x
    x = 118,501,465,210.89/397,376.04
  6. Step 6: Final answer
    x = 298,209.89

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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.