Home / 1,271,834.61-1,755,111.81-698,862.48

Finding the Fourth Proportional to 1,271,834.61, 1,755,111.81 and 698,862.48

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Solution

The fourth proportional to 1,271,834.61, 1,755,111.81 and 698,862.48 is: 964,419.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,834.61 : 1,755,111.81 = 698,862.48 : x
  2. Step 2: Convert to fraction form
    1,271,834.61/1,755,111.81 = 698,862.48/x
  3. Step 3: Cross multiply
    1,271,834.61x = 1,755,111.81 × 698,862.48
  4. Step 4: Simplify right side
    1,271,834.61x = 1,226,581,792,213.89
  5. Step 5: Solve for x
    x = 1,226,581,792,213.89/1,271,834.61
  6. Step 6: Final answer
    x = 964,419.26

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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.