Home / 1,397,513.79-1,929,167.69-962,541.36

Finding the Fourth Proportional to 1,397,513.79, 1,929,167.69 and 962,541.36

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Solution

The fourth proportional to 1,397,513.79, 1,929,167.69 and 962,541.36 is: 1,328,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,513.79 : 1,929,167.69 = 962,541.36 : x
  2. Step 2: Convert to fraction form
    1,397,513.79/1,929,167.69 = 962,541.36/x
  3. Step 3: Cross multiply
    1,397,513.79x = 1,929,167.69 × 962,541.36
  4. Step 4: Simplify right side
    1,397,513.79x = 1,856,903,687,187.95
  5. Step 5: Solve for x
    x = 1,856,903,687,187.95/1,397,513.79
  6. Step 6: Final answer
    x = 1,328,719.40

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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.