Home / 480,225.67-720,463.04-255,401.24

Finding the Fourth Proportional to 480,225.67, 720,463.04 and 255,401.24

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Solution

The fourth proportional to 480,225.67, 720,463.04 and 255,401.24 is: 383,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,225.67 : 720,463.04 = 255,401.24 : x
  2. Step 2: Convert to fraction form
    480,225.67/720,463.04 = 255,401.24/x
  3. Step 3: Cross multiply
    480,225.67x = 720,463.04 × 255,401.24
  4. Step 4: Simplify right side
    480,225.67x = 184,007,152,627.52
  5. Step 5: Solve for x
    x = 184,007,152,627.52/480,225.67
  6. Step 6: Final answer
    x = 383,168.09

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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.