Home / 382,050.45-527,220.04-212,285.01

Finding the Fourth Proportional to 382,050.45, 527,220.04 and 212,285.01

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Solution

The fourth proportional to 382,050.45, 527,220.04 and 212,285.01 is: 292,947.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,050.45 : 527,220.04 = 212,285.01 : x
  2. Step 2: Convert to fraction form
    382,050.45/527,220.04 = 212,285.01/x
  3. Step 3: Cross multiply
    382,050.45x = 527,220.04 × 212,285.01
  4. Step 4: Simplify right side
    382,050.45x = 111,920,911,463.60
  5. Step 5: Solve for x
    x = 111,920,911,463.60/382,050.45
  6. Step 6: Final answer
    x = 292,947.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.