Home / 1,598,386.72-2,205,685.20-919,334.56

Finding the Fourth Proportional to 1,598,386.72, 2,205,685.20 and 919,334.56

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Solution

The fourth proportional to 1,598,386.72, 2,205,685.20 and 919,334.56 is: 1,268,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598,386.72 : 2,205,685.20 = 919,334.56 : x
  2. Step 2: Convert to fraction form
    1,598,386.72/2,205,685.20 = 919,334.56/x
  3. Step 3: Cross multiply
    1,598,386.72x = 2,205,685.20 × 919,334.56
  4. Step 4: Simplify right side
    1,598,386.72x = 2,027,762,632,840.51
  5. Step 5: Solve for x
    x = 2,027,762,632,840.51/1,598,386.72
  6. Step 6: Final answer
    x = 1,268,630.81

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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.