Home / 526,722.09-726,871.02-284,999.33

Finding the Fourth Proportional to 526,722.09, 726,871.02 and 284,999.33

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Solution

The fourth proportional to 526,722.09, 726,871.02 and 284,999.33 is: 393,296.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,722.09 : 726,871.02 = 284,999.33 : x
  2. Step 2: Convert to fraction form
    526,722.09/726,871.02 = 284,999.33/x
  3. Step 3: Cross multiply
    526,722.09x = 726,871.02 × 284,999.33
  4. Step 4: Simplify right side
    526,722.09x = 207,157,750,062.06
  5. Step 5: Solve for x
    x = 207,157,750,062.06/526,722.09
  6. Step 6: Final answer
    x = 393,296.11

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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.