Home / 1,138,905.06-1,571,730.93-622,693.32

Finding the Fourth Proportional to 1,138,905.06, 1,571,730.93 and 622,693.32

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Solution

The fourth proportional to 1,138,905.06, 1,571,730.93 and 622,693.32 is: 859,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,905.06 : 1,571,730.93 = 622,693.32 : x
  2. Step 2: Convert to fraction form
    1,138,905.06/1,571,730.93 = 622,693.32/x
  3. Step 3: Cross multiply
    1,138,905.06x = 1,571,730.93 × 622,693.32
  4. Step 4: Simplify right side
    1,138,905.06x = 978,706,350,948.39
  5. Step 5: Solve for x
    x = 978,706,350,948.39/1,138,905.06
  6. Step 6: Final answer
    x = 859,339.72

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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.