Home / 1,679,810.64-2,519,725.53-417,638.27

Finding the Fourth Proportional to 1,679,810.64, 2,519,725.53 and 417,638.27

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Solution

The fourth proportional to 1,679,810.64, 2,519,725.53 and 417,638.27 is: 626,459.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,810.64 : 2,519,725.53 = 417,638.27 : x
  2. Step 2: Convert to fraction form
    1,679,810.64/2,519,725.53 = 417,638.27/x
  3. Step 3: Cross multiply
    1,679,810.64x = 2,519,725.53 × 417,638.27
  4. Step 4: Simplify right side
    1,679,810.64x = 1,052,333,811,224.03
  5. Step 5: Solve for x
    x = 1,052,333,811,224.03/1,679,810.64
  6. Step 6: Final answer
    x = 626,459.78

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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.