Home / 890,333.34-1,228,720.35-503,014.44

Finding the Fourth Proportional to 890,333.34, 1,228,720.35 and 503,014.44

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Solution

The fourth proportional to 890,333.34, 1,228,720.35 and 503,014.44 is: 694,194.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,333.34 : 1,228,720.35 = 503,014.44 : x
  2. Step 2: Convert to fraction form
    890,333.34/1,228,720.35 = 503,014.44/x
  3. Step 3: Cross multiply
    890,333.34x = 1,228,720.35 × 503,014.44
  4. Step 4: Simplify right side
    890,333.34x = 618,064,078,771.85
  5. Step 5: Solve for x
    x = 618,064,078,771.85/890,333.34
  6. Step 6: Final answer
    x = 694,194.02

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1.5x scale

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.