Home / 1,173,816-1,619,866.08-637,272

Finding the Fourth Proportional to 1,173,816, 1,619,866.08 and 637,272

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Solution

The fourth proportional to 1,173,816, 1,619,866.08 and 637,272 is: 879,435.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,816 : 1,619,866.08 = 637,272 : x
  2. Step 2: Convert to fraction form
    1,173,816/1,619,866.08 = 637,272/x
  3. Step 3: Cross multiply
    1,173,816x = 1,619,866.08 × 637,272
  4. Step 4: Simplify right side
    1,173,816x = 1,032,295,296,533.76
  5. Step 5: Solve for x
    x = 1,032,295,296,533.76/1,173,816
  6. Step 6: Final answer
    x = 879,435.36

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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.