Home / 1,221,373.44-1,830,718.80-511,852.32

Finding the Fourth Proportional to 1,221,373.44, 1,830,718.80 and 511,852.32

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Solution

The fourth proportional to 1,221,373.44, 1,830,718.80 and 511,852.32 is: 767,216.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,373.44 : 1,830,718.80 = 511,852.32 : x
  2. Step 2: Convert to fraction form
    1,221,373.44/1,830,718.80 = 511,852.32/x
  3. Step 3: Cross multiply
    1,221,373.44x = 1,830,718.80 × 511,852.32
  4. Step 4: Simplify right side
    1,221,373.44x = 937,057,665,047.62
  5. Step 5: Solve for x
    x = 937,057,665,047.62/1,221,373.44
  6. Step 6: Final answer
    x = 767,216.34

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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.