Home / 1,285,930.80-1,774,693.14-713,155.50

Finding the Fourth Proportional to 1,285,930.80, 1,774,693.14 and 713,155.50

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Solution

The fourth proportional to 1,285,930.80, 1,774,693.14 and 713,155.50 is: 984,214.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,930.80 : 1,774,693.14 = 713,155.50 : x
  2. Step 2: Convert to fraction form
    1,285,930.80/1,774,693.14 = 713,155.50/x
  3. Step 3: Cross multiply
    1,285,930.80x = 1,774,693.14 × 713,155.50
  4. Step 4: Simplify right side
    1,285,930.80x = 1,265,632,173,603.27
  5. Step 5: Solve for x
    x = 1,265,632,173,603.27/1,285,930.80
  6. Step 6: Final answer
    x = 984,214.84

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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.