Home / 616,173.83-923,455.53-445,968.63

Finding the Fourth Proportional to 616,173.83, 923,455.53 and 445,968.63

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Solution

The fourth proportional to 616,173.83, 923,455.53 and 445,968.63 is: 668,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,173.83 : 923,455.53 = 445,968.63 : x
  2. Step 2: Convert to fraction form
    616,173.83/923,455.53 = 445,968.63/x
  3. Step 3: Cross multiply
    616,173.83x = 923,455.53 × 445,968.63
  4. Step 4: Simplify right side
    616,173.83x = 411,832,197,580.02
  5. Step 5: Solve for x
    x = 411,832,197,580.02/616,173.83
  6. Step 6: Final answer
    x = 668,370.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.