Home / 480,827.79-720,604.62-255,703.50

Finding the Fourth Proportional to 480,827.79, 720,604.62 and 255,703.50

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Solution

The fourth proportional to 480,827.79, 720,604.62 and 255,703.50 is: 383,216.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,827.79 : 720,604.62 = 255,703.50 : x
  2. Step 2: Convert to fraction form
    480,827.79/720,604.62 = 255,703.50/x
  3. Step 3: Cross multiply
    480,827.79x = 720,604.62 × 255,703.50
  4. Step 4: Simplify right side
    480,827.79x = 184,261,123,450.17
  5. Step 5: Solve for x
    x = 184,261,123,450.17/480,827.79
  6. Step 6: Final answer
    x = 383,216.46

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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.