Home / 890,189.92-1,227,241.99-563,340.34

Finding the Fourth Proportional to 890,189.92, 1,227,241.99 and 563,340.34

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Solution

The fourth proportional to 890,189.92, 1,227,241.99 and 563,340.34 is: 776,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,189.92 : 1,227,241.99 = 563,340.34 : x
  2. Step 2: Convert to fraction form
    890,189.92/1,227,241.99 = 563,340.34/x
  3. Step 3: Cross multiply
    890,189.92x = 1,227,241.99 × 563,340.34
  4. Step 4: Simplify right side
    890,189.92x = 691,354,919,908.88
  5. Step 5: Solve for x
    x = 691,354,919,908.88/890,189.92
  6. Step 6: Final answer
    x = 776,637.55

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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.