Home / 1,361,986.77-1,879,518.57-750,196.74

Finding the Fourth Proportional to 1,361,986.77, 1,879,518.57 and 750,196.74

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Solution

The fourth proportional to 1,361,986.77, 1,879,518.57 and 750,196.74 is: 1,035,258.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,986.77 : 1,879,518.57 = 750,196.74 : x
  2. Step 2: Convert to fraction form
    1,361,986.77/1,879,518.57 = 750,196.74/x
  3. Step 3: Cross multiply
    1,361,986.77x = 1,879,518.57 × 750,196.74
  4. Step 4: Simplify right side
    1,361,986.77x = 1,410,008,703,983.46
  5. Step 5: Solve for x
    x = 1,410,008,703,983.46/1,361,986.77
  6. Step 6: Final answer
    x = 1,035,258.74

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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.