Home / 1,115,273.57-1,539,055.37-605,979.59

Finding the Fourth Proportional to 1,115,273.57, 1,539,055.37 and 605,979.59

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Solution

The fourth proportional to 1,115,273.57, 1,539,055.37 and 605,979.59 is: 836,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,273.57 : 1,539,055.37 = 605,979.59 : x
  2. Step 2: Convert to fraction form
    1,115,273.57/1,539,055.37 = 605,979.59/x
  3. Step 3: Cross multiply
    1,115,273.57x = 1,539,055.37 × 605,979.59
  4. Step 4: Simplify right side
    1,115,273.57x = 932,636,139,070.00
  5. Step 5: Solve for x
    x = 932,636,139,070.00/1,115,273.57
  6. Step 6: Final answer
    x = 836,239.79

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Double scale
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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.