Home / 1,213,856.72-1,674,872.21-697,510.85

Finding the Fourth Proportional to 1,213,856.72, 1,674,872.21 and 697,510.85

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Solution

The fourth proportional to 1,213,856.72, 1,674,872.21 and 697,510.85 is: 962,421.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,856.72 : 1,674,872.21 = 697,510.85 : x
  2. Step 2: Convert to fraction form
    1,213,856.72/1,674,872.21 = 697,510.85/x
  3. Step 3: Cross multiply
    1,213,856.72x = 1,674,872.21 × 697,510.85
  4. Step 4: Simplify right side
    1,213,856.72x = 1,168,241,526,976.56
  5. Step 5: Solve for x
    x = 1,168,241,526,976.56/1,213,856.72
  6. Step 6: Final answer
    x = 962,421.27

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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.