Home / 397,595.48-548,683.07-216,307.37

Finding the Fourth Proportional to 397,595.48, 548,683.07 and 216,307.37

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Solution

The fourth proportional to 397,595.48, 548,683.07 and 216,307.37 is: 298,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,595.48 : 548,683.07 = 216,307.37 : x
  2. Step 2: Convert to fraction form
    397,595.48/548,683.07 = 216,307.37/x
  3. Step 3: Cross multiply
    397,595.48x = 548,683.07 × 216,307.37
  4. Step 4: Simplify right side
    397,595.48x = 118,684,191,835.23
  5. Step 5: Solve for x
    x = 118,684,191,835.23/397,595.48
  6. Step 6: Final answer
    x = 298,504.88

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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.