Home / 1,008,362.62-1,512,990.80-528,476.30

Finding the Fourth Proportional to 1,008,362.62, 1,512,990.80 and 528,476.30

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Solution

The fourth proportional to 1,008,362.62, 1,512,990.80 and 528,476.30 is: 792,948.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,362.62 : 1,512,990.80 = 528,476.30 : x
  2. Step 2: Convert to fraction form
    1,008,362.62/1,512,990.80 = 528,476.30/x
  3. Step 3: Cross multiply
    1,008,362.62x = 1,512,990.80 × 528,476.30
  4. Step 4: Simplify right side
    1,008,362.62x = 799,579,777,366.21
  5. Step 5: Solve for x
    x = 799,579,777,366.21/1,008,362.62
  6. Step 6: Final answer
    x = 792,948.65

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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.