Home / 1,258,935.60-1,737,308.52-685,979.76

Finding the Fourth Proportional to 1,258,935.60, 1,737,308.52 and 685,979.76

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Solution

The fourth proportional to 1,258,935.60, 1,737,308.52 and 685,979.76 is: 946,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,935.60 : 1,737,308.52 = 685,979.76 : x
  2. Step 2: Convert to fraction form
    1,258,935.60/1,737,308.52 = 685,979.76/x
  3. Step 3: Cross multiply
    1,258,935.60x = 1,737,308.52 × 685,979.76
  4. Step 4: Simplify right side
    1,258,935.60x = 1,191,758,481,595.56
  5. Step 5: Solve for x
    x = 1,191,758,481,595.56/1,258,935.60
  6. Step 6: Final answer
    x = 946,639.75

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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.