Home / 1,223,976.02-1,823,662.08-1,155,219.47

Finding the Fourth Proportional to 1,223,976.02, 1,823,662.08 and 1,155,219.47

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Solution

The fourth proportional to 1,223,976.02, 1,823,662.08 and 1,155,219.47 is: 1,721,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,976.02 : 1,823,662.08 = 1,155,219.47 : x
  2. Step 2: Convert to fraction form
    1,223,976.02/1,823,662.08 = 1,155,219.47/x
  3. Step 3: Cross multiply
    1,223,976.02x = 1,823,662.08 × 1,155,219.47
  4. Step 4: Simplify right side
    1,223,976.02x = 2,106,729,939,237.12
  5. Step 5: Solve for x
    x = 2,106,729,939,237.12/1,223,976.02
  6. Step 6: Final answer
    x = 1,721,218.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.