Home / 480,200.04-720,378.32-224,288.60

Finding the Fourth Proportional to 480,200.04, 720,378.32 and 224,288.60

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Solution

The fourth proportional to 480,200.04, 720,378.32 and 224,288.60 is: 336,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,200.04 : 720,378.32 = 224,288.60 : x
  2. Step 2: Convert to fraction form
    480,200.04/720,378.32 = 224,288.60/x
  3. Step 3: Cross multiply
    480,200.04x = 720,378.32 × 224,288.60
  4. Step 4: Simplify right side
    480,200.04x = 161,572,640,139.82
  5. Step 5: Solve for x
    x = 161,572,640,139.82/480,200.04
  6. Step 6: Final answer
    x = 336,469.44

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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.