Home / 1,779,590.82-2,669,841.25-517,418.45

Finding the Fourth Proportional to 1,779,590.82, 2,669,841.25 and 517,418.45

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Solution

The fourth proportional to 1,779,590.82, 2,669,841.25 and 517,418.45 is: 776,259.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,590.82 : 2,669,841.25 = 517,418.45 : x
  2. Step 2: Convert to fraction form
    1,779,590.82/2,669,841.25 = 517,418.45/x
  3. Step 3: Cross multiply
    1,779,590.82x = 2,669,841.25 × 517,418.45
  4. Step 4: Simplify right side
    1,779,590.82x = 1,381,425,121,321.06
  5. Step 5: Solve for x
    x = 1,381,425,121,321.06/1,779,590.82
  6. Step 6: Final answer
    x = 776,259.97

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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.