Home / 803,628.60-1,203,110.10-780,300.60

Finding the Fourth Proportional to 803,628.60, 1,203,110.10 and 780,300.60

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Solution

The fourth proportional to 803,628.60, 1,203,110.10 and 780,300.60 is: 1,168,185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,628.60 : 1,203,110.10 = 780,300.60 : x
  2. Step 2: Convert to fraction form
    803,628.60/1,203,110.10 = 780,300.60/x
  3. Step 3: Cross multiply
    803,628.60x = 1,203,110.10 × 780,300.60
  4. Step 4: Simplify right side
    803,628.60x = 938,787,532,896.06
  5. Step 5: Solve for x
    x = 938,787,532,896.06/803,628.60
  6. Step 6: Final answer
    x = 1,168,185.82

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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.