Home / 939,870.24-1,296,798.56-531,972.03

Finding the Fourth Proportional to 939,870.24, 1,296,798.56 and 531,972.03

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Solution

The fourth proportional to 939,870.24, 1,296,798.56 and 531,972.03 is: 733,995.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,870.24 : 1,296,798.56 = 531,972.03 : x
  2. Step 2: Convert to fraction form
    939,870.24/1,296,798.56 = 531,972.03/x
  3. Step 3: Cross multiply
    939,870.24x = 1,296,798.56 × 531,972.03
  4. Step 4: Simplify right side
    939,870.24x = 689,860,562,464.28
  5. Step 5: Solve for x
    x = 689,860,562,464.28/939,870.24
  6. Step 6: Final answer
    x = 733,995.54

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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.