Home / 1,115,086.02-1,538,837.40-605,788.80

Finding the Fourth Proportional to 1,115,086.02, 1,538,837.40 and 605,788.80

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Solution

The fourth proportional to 1,115,086.02, 1,538,837.40 and 605,788.80 is: 835,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,086.02 : 1,538,837.40 = 605,788.80 : x
  2. Step 2: Convert to fraction form
    1,115,086.02/1,538,837.40 = 605,788.80/x
  3. Step 3: Cross multiply
    1,115,086.02x = 1,538,837.40 × 605,788.80
  4. Step 4: Simplify right side
    1,115,086.02x = 932,210,461,941.12
  5. Step 5: Solve for x
    x = 932,210,461,941.12/1,115,086.02
  6. Step 6: Final answer
    x = 835,998.70

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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.