Home / 480,184.20-720,064.13-255,491.37

Finding the Fourth Proportional to 480,184.20, 720,064.13 and 255,491.37

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Solution

The fourth proportional to 480,184.20, 720,064.13 and 255,491.37 is: 383,124.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,184.20 : 720,064.13 = 255,491.37 : x
  2. Step 2: Convert to fraction form
    480,184.20/720,064.13 = 255,491.37/x
  3. Step 3: Cross multiply
    480,184.20x = 720,064.13 × 255,491.37
  4. Step 4: Simplify right side
    480,184.20x = 183,970,169,784.10
  5. Step 5: Solve for x
    x = 183,970,169,784.10/480,184.20
  6. Step 6: Final answer
    x = 383,124.16

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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.