Home / 1,138,259.06-1,570,778.40-622,001.60

Finding the Fourth Proportional to 1,138,259.06, 1,570,778.40 and 622,001.60

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Solution

The fourth proportional to 1,138,259.06, 1,570,778.40 and 622,001.60 is: 858,351.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,259.06 : 1,570,778.40 = 622,001.60 : x
  2. Step 2: Convert to fraction form
    1,138,259.06/1,570,778.40 = 622,001.60/x
  3. Step 3: Cross multiply
    1,138,259.06x = 1,570,778.40 × 622,001.60
  4. Step 4: Simplify right side
    1,138,259.06x = 977,026,678,045.44
  5. Step 5: Solve for x
    x = 977,026,678,045.44/1,138,259.06
  6. Step 6: Final answer
    x = 858,351.77

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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.