Home / 805,795.56-1,112,378.13-511,593.03

Finding the Fourth Proportional to 805,795.56, 1,112,378.13 and 511,593.03

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Solution

The fourth proportional to 805,795.56, 1,112,378.13 and 511,593.03 is: 706,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,795.56 : 1,112,378.13 = 511,593.03 : x
  2. Step 2: Convert to fraction form
    805,795.56/1,112,378.13 = 511,593.03/x
  3. Step 3: Cross multiply
    805,795.56x = 1,112,378.13 × 511,593.03
  4. Step 4: Simplify right side
    805,795.56x = 569,084,898,032.43
  5. Step 5: Solve for x
    x = 569,084,898,032.43/805,795.56
  6. Step 6: Final answer
    x = 706,239.80

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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.