Home / 1,211,697.50-1,817,883.41-528,644.09

Finding the Fourth Proportional to 1,211,697.50, 1,817,883.41 and 528,644.09

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Solution

The fourth proportional to 1,211,697.50, 1,817,883.41 and 528,644.09 is: 793,113.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,697.50 : 1,817,883.41 = 528,644.09 : x
  2. Step 2: Convert to fraction form
    1,211,697.50/1,817,883.41 = 528,644.09/x
  3. Step 3: Cross multiply
    1,211,697.50x = 1,817,883.41 × 528,644.09
  4. Step 4: Simplify right side
    1,211,697.50x = 961,013,322,907.04
  5. Step 5: Solve for x
    x = 961,013,322,907.04/1,211,697.50
  6. Step 6: Final answer
    x = 793,113.24

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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.