Home / 823,083.90-1,236,699.45-523,707.90

Finding the Fourth Proportional to 823,083.90, 1,236,699.45 and 523,707.90

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Solution

The fourth proportional to 823,083.90, 1,236,699.45 and 523,707.90 is: 786,881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,083.90 : 1,236,699.45 = 523,707.90 : x
  2. Step 2: Convert to fraction form
    823,083.90/1,236,699.45 = 523,707.90/x
  3. Step 3: Cross multiply
    823,083.90x = 1,236,699.45 × 523,707.90
  4. Step 4: Simplify right side
    823,083.90x = 647,669,271,890.66
  5. Step 5: Solve for x
    x = 647,669,271,890.66/823,083.90
  6. Step 6: Final answer
    x = 786,881.23

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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.