Home / 1,161,869.10-1,738,138.05-1,005,830.70

Finding the Fourth Proportional to 1,161,869.10, 1,738,138.05 and 1,005,830.70

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Solution

The fourth proportional to 1,161,869.10, 1,738,138.05 and 1,005,830.70 is: 1,504,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,869.10 : 1,738,138.05 = 1,005,830.70 : x
  2. Step 2: Convert to fraction form
    1,161,869.10/1,738,138.05 = 1,005,830.70/x
  3. Step 3: Cross multiply
    1,161,869.10x = 1,738,138.05 × 1,005,830.70
  4. Step 4: Simplify right side
    1,161,869.10x = 1,748,272,611,528.14
  5. Step 5: Solve for x
    x = 1,748,272,611,528.14/1,161,869.10
  6. Step 6: Final answer
    x = 1,504,707.04

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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.