Home / 1,258,573.14-1,886,283.45-991,278

Finding the Fourth Proportional to 1,258,573.14, 1,886,283.45 and 991,278

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Solution

The fourth proportional to 1,258,573.14, 1,886,283.45 and 991,278 is: 1,485,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,573.14 : 1,886,283.45 = 991,278 : x
  2. Step 2: Convert to fraction form
    1,258,573.14/1,886,283.45 = 991,278/x
  3. Step 3: Cross multiply
    1,258,573.14x = 1,886,283.45 × 991,278
  4. Step 4: Simplify right side
    1,258,573.14x = 1,869,831,285,749.10
  5. Step 5: Solve for x
    x = 1,869,831,285,749.10/1,258,573.14
  6. Step 6: Final answer
    x = 1,485,675.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.