Home / 1,641,624.12-2,264,797.80-953,178.48

Finding the Fourth Proportional to 1,641,624.12, 2,264,797.80 and 953,178.48

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Solution

The fourth proportional to 1,641,624.12, 2,264,797.80 and 953,178.48 is: 1,315,012.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,624.12 : 2,264,797.80 = 953,178.48 : x
  2. Step 2: Convert to fraction form
    1,641,624.12/2,264,797.80 = 953,178.48/x
  3. Step 3: Cross multiply
    1,641,624.12x = 2,264,797.80 × 953,178.48
  4. Step 4: Simplify right side
    1,641,624.12x = 2,158,756,524,511.34
  5. Step 5: Solve for x
    x = 2,158,756,524,511.34/1,641,624.12
  6. Step 6: Final answer
    x = 1,315,012.67

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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.