Home / 1,161,912.20-1,742,522.70-451,531.40

Finding the Fourth Proportional to 1,161,912.20, 1,742,522.70 and 451,531.40

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Solution

The fourth proportional to 1,161,912.20, 1,742,522.70 and 451,531.40 is: 677,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,912.20 : 1,742,522.70 = 451,531.40 : x
  2. Step 2: Convert to fraction form
    1,161,912.20/1,742,522.70 = 451,531.40/x
  3. Step 3: Cross multiply
    1,161,912.20x = 1,742,522.70 × 451,531.40
  4. Step 4: Simplify right side
    1,161,912.20x = 786,803,714,262.78
  5. Step 5: Solve for x
    x = 786,803,714,262.78/1,161,912.20
  6. Step 6: Final answer
    x = 677,162.80

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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.