Home / 767,984.40-1,151,976.60-684,003.60

Finding the Fourth Proportional to 767,984.40, 1,151,976.60 and 684,003.60

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Solution

The fourth proportional to 767,984.40, 1,151,976.60 and 684,003.60 is: 1,026,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,984.40 : 1,151,976.60 = 684,003.60 : x
  2. Step 2: Convert to fraction form
    767,984.40/1,151,976.60 = 684,003.60/x
  3. Step 3: Cross multiply
    767,984.40x = 1,151,976.60 × 684,003.60
  4. Step 4: Simplify right side
    767,984.40x = 787,956,141,515.76
  5. Step 5: Solve for x
    x = 787,956,141,515.76/767,984.40
  6. Step 6: Final answer
    x = 1,026,005.40

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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.