Home / 1,243,942.63-1,717,170.50-836,280.91

Finding the Fourth Proportional to 1,243,942.63, 1,717,170.50 and 836,280.91

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Solution

The fourth proportional to 1,243,942.63, 1,717,170.50 and 836,280.91 is: 1,154,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,942.63 : 1,717,170.50 = 836,280.91 : x
  2. Step 2: Convert to fraction form
    1,243,942.63/1,717,170.50 = 836,280.91/x
  3. Step 3: Cross multiply
    1,243,942.63x = 1,717,170.50 × 836,280.91
  4. Step 4: Simplify right side
    1,243,942.63x = 1,436,036,904,183.75
  5. Step 5: Solve for x
    x = 1,436,036,904,183.75/1,243,942.63
  6. Step 6: Final answer
    x = 1,154,423.74

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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.