Home / 889,320.21-1,333,982.13-416,337.72

Finding the Fourth Proportional to 889,320.21, 1,333,982.13 and 416,337.72

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Solution

The fourth proportional to 889,320.21, 1,333,982.13 and 416,337.72 is: 624,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,320.21 : 1,333,982.13 = 416,337.72 : x
  2. Step 2: Convert to fraction form
    889,320.21/1,333,982.13 = 416,337.72/x
  3. Step 3: Cross multiply
    889,320.21x = 1,333,982.13 × 416,337.72
  4. Step 4: Simplify right side
    889,320.21x = 555,387,078,524.94
  5. Step 5: Solve for x
    x = 555,387,078,524.94/889,320.21
  6. Step 6: Final answer
    x = 624,507.43

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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.