Home / 746,299.22-1,119,443.25-213,820.70

Finding the Fourth Proportional to 746,299.22, 1,119,443.25 and 213,820.70

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Solution

The fourth proportional to 746,299.22, 1,119,443.25 and 213,820.70 is: 320,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,299.22 : 1,119,443.25 = 213,820.70 : x
  2. Step 2: Convert to fraction form
    746,299.22/1,119,443.25 = 213,820.70/x
  3. Step 3: Cross multiply
    746,299.22x = 1,119,443.25 × 213,820.70
  4. Step 4: Simplify right side
    746,299.22x = 239,360,139,325.28
  5. Step 5: Solve for x
    x = 239,360,139,325.28/746,299.22
  6. Step 6: Final answer
    x = 320,729.45

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1.5x scale

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.