Home / 389,799.56-537,923.41-210,951.56

Finding the Fourth Proportional to 389,799.56, 537,923.41 and 210,951.56

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Solution

The fourth proportional to 389,799.56, 537,923.41 and 210,951.56 is: 291,113.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,799.56 : 537,923.41 = 210,951.56 : x
  2. Step 2: Convert to fraction form
    389,799.56/537,923.41 = 210,951.56/x
  3. Step 3: Cross multiply
    389,799.56x = 537,923.41 × 210,951.56
  4. Step 4: Simplify right side
    389,799.56x = 113,475,783,317.45
  5. Step 5: Solve for x
    x = 113,475,783,317.45/389,799.56
  6. Step 6: Final answer
    x = 291,113.16

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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.