Home / 728,681.20-1,093,021.80-528,060.40

Finding the Fourth Proportional to 728,681.20, 1,093,021.80 and 528,060.40

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Solution

The fourth proportional to 728,681.20, 1,093,021.80 and 528,060.40 is: 792,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,681.20 : 1,093,021.80 = 528,060.40 : x
  2. Step 2: Convert to fraction form
    728,681.20/1,093,021.80 = 528,060.40/x
  3. Step 3: Cross multiply
    728,681.20x = 1,093,021.80 × 528,060.40
  4. Step 4: Simplify right side
    728,681.20x = 577,181,528,916.72
  5. Step 5: Solve for x
    x = 577,181,528,916.72/728,681.20
  6. Step 6: Final answer
    x = 792,090.60

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