Home / 616,312.20-923,885.10-363,786.60

Finding the Fourth Proportional to 616,312.20, 923,885.10 and 363,786.60

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Solution

The fourth proportional to 616,312.20, 923,885.10 and 363,786.60 is: 545,335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,312.20 : 923,885.10 = 363,786.60 : x
  2. Step 2: Convert to fraction form
    616,312.20/923,885.10 = 363,786.60/x
  3. Step 3: Cross multiply
    616,312.20x = 923,885.10 × 363,786.60
  4. Step 4: Simplify right side
    616,312.20x = 336,097,019,319.66
  5. Step 5: Solve for x
    x = 336,097,019,319.66/616,312.20
  6. Step 6: Final answer
    x = 545,335.66

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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.