Home / 1,258,909.52-1,737,295.28-685,949.68

Finding the Fourth Proportional to 1,258,909.52, 1,737,295.28 and 685,949.68

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Solution

The fourth proportional to 1,258,909.52, 1,737,295.28 and 685,949.68 is: 946,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,909.52 : 1,737,295.28 = 685,949.68 : x
  2. Step 2: Convert to fraction form
    1,258,909.52/1,737,295.28 = 685,949.68/x
  3. Step 3: Cross multiply
    1,258,909.52x = 1,737,295.28 × 685,949.68
  4. Step 4: Simplify right side
    1,258,909.52x = 1,191,697,141,381.51
  5. Step 5: Solve for x
    x = 1,191,697,141,381.51/1,258,909.52
  6. Step 6: Final answer
    x = 946,610.64

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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.