Home / 1,172,169.95-1,617,845.75-763,542.67

Finding the Fourth Proportional to 1,172,169.95, 1,617,845.75 and 763,542.67

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Solution

The fourth proportional to 1,172,169.95, 1,617,845.75 and 763,542.67 is: 1,053,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,169.95 : 1,617,845.75 = 763,542.67 : x
  2. Step 2: Convert to fraction form
    1,172,169.95/1,617,845.75 = 763,542.67/x
  3. Step 3: Cross multiply
    1,172,169.95x = 1,617,845.75 × 763,542.67
  4. Step 4: Simplify right side
    1,172,169.95x = 1,235,294,265,932.50
  5. Step 5: Solve for x
    x = 1,235,294,265,932.50/1,172,169.95
  6. Step 6: Final answer
    x = 1,053,852.53

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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.