Home / 623,849.16-860,921.67-351,922.37

Finding the Fourth Proportional to 623,849.16, 860,921.67 and 351,922.37

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Solution

The fourth proportional to 623,849.16, 860,921.67 and 351,922.37 is: 485,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,849.16 : 860,921.67 = 351,922.37 : x
  2. Step 2: Convert to fraction form
    623,849.16/860,921.67 = 351,922.37/x
  3. Step 3: Cross multiply
    623,849.16x = 860,921.67 × 351,922.37
  4. Step 4: Simplify right side
    623,849.16x = 302,977,590,186.15
  5. Step 5: Solve for x
    x = 302,977,590,186.15/623,849.16
  6. Step 6: Final answer
    x = 485,658.41

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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.