Home / 1,578,844.70-2,178,807.23-853,692.23

Finding the Fourth Proportional to 1,578,844.70, 2,178,807.23 and 853,692.23

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Solution

The fourth proportional to 1,578,844.70, 2,178,807.23 and 853,692.23 is: 1,178,096.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,844.70 : 2,178,807.23 = 853,692.23 : x
  2. Step 2: Convert to fraction form
    1,578,844.70/2,178,807.23 = 853,692.23/x
  3. Step 3: Cross multiply
    1,578,844.70x = 2,178,807.23 × 853,692.23
  4. Step 4: Simplify right side
    1,578,844.70x = 1,860,030,787,756.33
  5. Step 5: Solve for x
    x = 1,860,030,787,756.33/1,578,844.70
  6. Step 6: Final answer
    x = 1,178,096.11

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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.