Home / 370,588.50-556,626.60-221,120.46

Finding the Fourth Proportional to 370,588.50, 556,626.60 and 221,120.46

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Solution

The fourth proportional to 370,588.50, 556,626.60 and 221,120.46 is: 332,124.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,588.50 : 556,626.60 = 221,120.46 : x
  2. Step 2: Convert to fraction form
    370,588.50/556,626.60 = 221,120.46/x
  3. Step 3: Cross multiply
    370,588.50x = 556,626.60 × 221,120.46
  4. Step 4: Simplify right side
    370,588.50x = 123,081,529,840.24
  5. Step 5: Solve for x
    x = 123,081,529,840.24/370,588.50
  6. Step 6: Final answer
    x = 332,124.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.