Home / 1,316,912.78-1,973,844.35-605,447.66

Finding the Fourth Proportional to 1,316,912.78, 1,973,844.35 and 605,447.66

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Solution

The fourth proportional to 1,316,912.78, 1,973,844.35 and 605,447.66 is: 907,470.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,912.78 : 1,973,844.35 = 605,447.66 : x
  2. Step 2: Convert to fraction form
    1,316,912.78/1,973,844.35 = 605,447.66/x
  3. Step 3: Cross multiply
    1,316,912.78x = 1,973,844.35 × 605,447.66
  4. Step 4: Simplify right side
    1,316,912.78x = 1,195,059,447,089.52
  5. Step 5: Solve for x
    x = 1,195,059,447,089.52/1,316,912.78
  6. Step 6: Final answer
    x = 907,470.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.