Home / 864,087.90-1,293,863.85-609,996.30

Finding the Fourth Proportional to 864,087.90, 1,293,863.85 and 609,996.30

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Solution

The fourth proportional to 864,087.90, 1,293,863.85 and 609,996.30 is: 913,393.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,087.90 : 1,293,863.85 = 609,996.30 : x
  2. Step 2: Convert to fraction form
    864,087.90/1,293,863.85 = 609,996.30/x
  3. Step 3: Cross multiply
    864,087.90x = 1,293,863.85 × 609,996.30
  4. Step 4: Simplify right side
    864,087.90x = 789,252,161,203.76
  5. Step 5: Solve for x
    x = 789,252,161,203.76/864,087.90
  6. Step 6: Final answer
    x = 913,393.37

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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.