Home / 666,915.08-1,000,528.62-193,609.48

Finding the Fourth Proportional to 666,915.08, 1,000,528.62 and 193,609.48

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Solution

The fourth proportional to 666,915.08, 1,000,528.62 and 193,609.48 is: 290,459.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,915.08 : 1,000,528.62 = 193,609.48 : x
  2. Step 2: Convert to fraction form
    666,915.08/1,000,528.62 = 193,609.48/x
  3. Step 3: Cross multiply
    666,915.08x = 1,000,528.62 × 193,609.48
  4. Step 4: Simplify right side
    666,915.08x = 193,711,825,843.32
  5. Step 5: Solve for x
    x = 193,711,825,843.32/666,915.08
  6. Step 6: Final answer
    x = 290,459.51

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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.