Home / 683,442.08-943,146.32-377,539.52

Finding the Fourth Proportional to 683,442.08, 943,146.32 and 377,539.52

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Solution

The fourth proportional to 683,442.08, 943,146.32 and 377,539.52 is: 521,002.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,442.08 : 943,146.32 = 377,539.52 : x
  2. Step 2: Convert to fraction form
    683,442.08/943,146.32 = 377,539.52/x
  3. Step 3: Cross multiply
    683,442.08x = 943,146.32 × 377,539.52
  4. Step 4: Simplify right side
    683,442.08x = 356,075,008,942.57
  5. Step 5: Solve for x
    x = 356,075,008,942.57/683,442.08
  6. Step 6: Final answer
    x = 521,002.47

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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.