Home / 1,370,953.54-1,891,647.03-861,360.67

Finding the Fourth Proportional to 1,370,953.54, 1,891,647.03 and 861,360.67

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Solution

The fourth proportional to 1,370,953.54, 1,891,647.03 and 861,360.67 is: 1,188,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,953.54 : 1,891,647.03 = 861,360.67 : x
  2. Step 2: Convert to fraction form
    1,370,953.54/1,891,647.03 = 861,360.67/x
  3. Step 3: Cross multiply
    1,370,953.54x = 1,891,647.03 × 861,360.67
  4. Step 4: Simplify right side
    1,370,953.54x = 1,629,390,353,164.31
  5. Step 5: Solve for x
    x = 1,629,390,353,164.31/1,370,953.54
  6. Step 6: Final answer
    x = 1,188,508.80

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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.