Home / 1,115,059.84-1,538,784.40-605,762.64

Finding the Fourth Proportional to 1,115,059.84, 1,538,784.40 and 605,762.64

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Solution

The fourth proportional to 1,115,059.84, 1,538,784.40 and 605,762.64 is: 835,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,059.84 : 1,538,784.40 = 605,762.64 : x
  2. Step 2: Convert to fraction form
    1,115,059.84/1,538,784.40 = 605,762.64/x
  3. Step 3: Cross multiply
    1,115,059.84x = 1,538,784.40 × 605,762.64
  4. Step 4: Simplify right side
    1,115,059.84x = 932,138,100,534.82
  5. Step 5: Solve for x
    x = 932,138,100,534.82/1,115,059.84
  6. Step 6: Final answer
    x = 835,953.43

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Double scale
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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.