Home / 616,170.83-923,451.03-445,965.63

Finding the Fourth Proportional to 616,170.83, 923,451.03 and 445,965.63

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Solution

The fourth proportional to 616,170.83, 923,451.03 and 445,965.63 is: 668,365.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,170.83 : 923,451.03 = 445,965.63 : x
  2. Step 2: Convert to fraction form
    616,170.83/923,451.03 = 445,965.63/x
  3. Step 3: Cross multiply
    616,170.83x = 923,451.03 × 445,965.63
  4. Step 4: Simplify right side
    616,170.83x = 411,827,420,368.10
  5. Step 5: Solve for x
    x = 411,827,420,368.10/616,170.83
  6. Step 6: Final answer
    x = 668,365.66

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1.5x scale

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.