Home / 783,610.60-1,175,415.90-744,903.40

Finding the Fourth Proportional to 783,610.60, 1,175,415.90 and 744,903.40

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Solution

The fourth proportional to 783,610.60, 1,175,415.90 and 744,903.40 is: 1,117,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,610.60 : 1,175,415.90 = 744,903.40 : x
  2. Step 2: Convert to fraction form
    783,610.60/1,175,415.90 = 744,903.40/x
  3. Step 3: Cross multiply
    783,610.60x = 1,175,415.90 × 744,903.40
  4. Step 4: Simplify right side
    783,610.60x = 875,571,300,324.06
  5. Step 5: Solve for x
    x = 875,571,300,324.06/783,610.60
  6. Step 6: Final answer
    x = 1,117,355.10

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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.