Home / 1,679,779.14-2,519,677.96-417,606.77

Finding the Fourth Proportional to 1,679,779.14, 2,519,677.96 and 417,606.77

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Solution

The fourth proportional to 1,679,779.14, 2,519,677.96 and 417,606.77 is: 626,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,779.14 : 2,519,677.96 = 417,606.77 : x
  2. Step 2: Convert to fraction form
    1,679,779.14/2,519,677.96 = 417,606.77/x
  3. Step 3: Cross multiply
    1,679,779.14x = 2,519,677.96 × 417,606.77
  4. Step 4: Simplify right side
    1,679,779.14x = 1,052,234,561,717.40
  5. Step 5: Solve for x
    x = 1,052,234,561,717.40/1,679,779.14
  6. Step 6: Final answer
    x = 626,412.45

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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.