Home / 623,936.20-936,077.10-413,984.20

Finding the Fourth Proportional to 623,936.20, 936,077.10 and 413,984.20

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Solution

The fourth proportional to 623,936.20, 936,077.10 and 413,984.20 is: 621,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,936.20 : 936,077.10 = 413,984.20 : x
  2. Step 2: Convert to fraction form
    623,936.20/936,077.10 = 413,984.20/x
  3. Step 3: Cross multiply
    623,936.20x = 936,077.10 × 413,984.20
  4. Step 4: Simplify right side
    623,936.20x = 387,521,129,381.82
  5. Step 5: Solve for x
    x = 387,521,129,381.82/623,936.20
  6. Step 6: Final answer
    x = 621,090.95

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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.