Home / 1,639,516.20-2,457,962.10-692,107.80

Finding the Fourth Proportional to 1,639,516.20, 2,457,962.10 and 692,107.80

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Solution

The fourth proportional to 1,639,516.20, 2,457,962.10 and 692,107.80 is: 1,037,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,516.20 : 2,457,962.10 = 692,107.80 : x
  2. Step 2: Convert to fraction form
    1,639,516.20/2,457,962.10 = 692,107.80/x
  3. Step 3: Cross multiply
    1,639,516.20x = 2,457,962.10 × 692,107.80
  4. Step 4: Simplify right side
    1,639,516.20x = 1,701,174,741,514.38
  5. Step 5: Solve for x
    x = 1,701,174,741,514.38/1,639,516.20
  6. Step 6: Final answer
    x = 1,037,607.77

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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.