Home / 1,381,101.69-1,906,016.16-837,260.40

Finding the Fourth Proportional to 1,381,101.69, 1,906,016.16 and 837,260.40

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Solution

The fourth proportional to 1,381,101.69, 1,906,016.16 and 837,260.40 is: 1,155,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,101.69 : 1,906,016.16 = 837,260.40 : x
  2. Step 2: Convert to fraction form
    1,381,101.69/1,906,016.16 = 837,260.40/x
  3. Step 3: Cross multiply
    1,381,101.69x = 1,906,016.16 × 837,260.40
  4. Step 4: Simplify right side
    1,381,101.69x = 1,595,831,852,528.06
  5. Step 5: Solve for x
    x = 1,595,831,852,528.06/1,381,101.69
  6. Step 6: Final answer
    x = 1,155,477.45

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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.