Home / 1,362,653.17-1,880,504-781,982.53

Finding the Fourth Proportional to 1,362,653.17, 1,880,504 and 781,982.53

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Solution

The fourth proportional to 1,362,653.17, 1,880,504 and 781,982.53 is: 1,079,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,653.17 : 1,880,504 = 781,982.53 : x
  2. Step 2: Convert to fraction form
    1,362,653.17/1,880,504 = 781,982.53/x
  3. Step 3: Cross multiply
    1,362,653.17x = 1,880,504 × 781,982.53
  4. Step 4: Simplify right side
    1,362,653.17x = 1,470,521,275,595.12
  5. Step 5: Solve for x
    x = 1,470,521,275,595.12/1,362,653.17
  6. Step 6: Final answer
    x = 1,079,160.35

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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.