Home / 998,692.34-1,377,808.18-636,051.29

Finding the Fourth Proportional to 998,692.34, 1,377,808.18 and 636,051.29

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Solution

The fourth proportional to 998,692.34, 1,377,808.18 and 636,051.29 is: 877,504.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,692.34 : 1,377,808.18 = 636,051.29 : x
  2. Step 2: Convert to fraction form
    998,692.34/1,377,808.18 = 636,051.29/x
  3. Step 3: Cross multiply
    998,692.34x = 1,377,808.18 × 636,051.29
  4. Step 4: Simplify right side
    998,692.34x = 876,356,661,782.38
  5. Step 5: Solve for x
    x = 876,356,661,782.38/998,692.34
  6. Step 6: Final answer
    x = 877,504.14

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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.