Home / 1,683,316.88-2,322,941.36-919,373.52

Finding the Fourth Proportional to 1,683,316.88, 2,322,941.36 and 919,373.52

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Solution

The fourth proportional to 1,683,316.88, 2,322,941.36 and 919,373.52 is: 1,268,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,316.88 : 2,322,941.36 = 919,373.52 : x
  2. Step 2: Convert to fraction form
    1,683,316.88/2,322,941.36 = 919,373.52/x
  3. Step 3: Cross multiply
    1,683,316.88x = 2,322,941.36 × 919,373.52
  4. Step 4: Simplify right side
    1,683,316.88x = 2,135,650,774,896.79
  5. Step 5: Solve for x
    x = 2,135,650,774,896.79/1,683,316.88
  6. Step 6: Final answer
    x = 1,268,715.83

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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.