Home / 1,205,986.77-1,664,187.17-662,119.50

Finding the Fourth Proportional to 1,205,986.77, 1,664,187.17 and 662,119.50

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Solution

The fourth proportional to 1,205,986.77, 1,664,187.17 and 662,119.50 is: 913,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,986.77 : 1,664,187.17 = 662,119.50 : x
  2. Step 2: Convert to fraction form
    1,205,986.77/1,664,187.17 = 662,119.50/x
  3. Step 3: Cross multiply
    1,205,986.77x = 1,664,187.17 × 662,119.50
  4. Step 4: Simplify right side
    1,205,986.77x = 1,101,890,773,596.22
  5. Step 5: Solve for x
    x = 1,101,890,773,596.22/1,205,986.77
  6. Step 6: Final answer
    x = 913,683.96

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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.