Home / 480,584.17-720,985.76-255,826.18

Finding the Fourth Proportional to 480,584.17, 720,985.76 and 255,826.18

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Solution

The fourth proportional to 480,584.17, 720,985.76 and 255,826.18 is: 383,797.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,584.17 : 720,985.76 = 255,826.18 : x
  2. Step 2: Convert to fraction form
    480,584.17/720,985.76 = 255,826.18/x
  3. Step 3: Cross multiply
    480,584.17x = 720,985.76 × 255,826.18
  4. Step 4: Simplify right side
    480,584.17x = 184,447,033,396.65
  5. Step 5: Solve for x
    x = 184,447,033,396.65/480,584.17
  6. Step 6: Final answer
    x = 383,797.56

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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.