Home / 1,578,635.95-2,178,522.88-853,488.82

Finding the Fourth Proportional to 1,578,635.95, 2,178,522.88 and 853,488.82

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Solution

The fourth proportional to 1,578,635.95, 2,178,522.88 and 853,488.82 is: 1,177,817.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,635.95 : 2,178,522.88 = 853,488.82 : x
  2. Step 2: Convert to fraction form
    1,578,635.95/2,178,522.88 = 853,488.82/x
  3. Step 3: Cross multiply
    1,578,635.95x = 2,178,522.88 × 853,488.82
  4. Step 4: Simplify right side
    1,578,635.95x = 1,859,344,910,529.44
  5. Step 5: Solve for x
    x = 1,859,344,910,529.44/1,578,635.95
  6. Step 6: Final answer
    x = 1,177,817.41

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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.