Home / 691,162.92-953,771.04-385,272.60

Finding the Fourth Proportional to 691,162.92, 953,771.04 and 385,272.60

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Solution

The fourth proportional to 691,162.92, 953,771.04 and 385,272.60 is: 531,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,162.92 : 953,771.04 = 385,272.60 : x
  2. Step 2: Convert to fraction form
    691,162.92/953,771.04 = 385,272.60/x
  3. Step 3: Cross multiply
    691,162.92x = 953,771.04 × 385,272.60
  4. Step 4: Simplify right side
    691,162.92x = 367,461,848,385.50
  5. Step 5: Solve for x
    x = 367,461,848,385.50/691,162.92
  6. Step 6: Final answer
    x = 531,657.35

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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.