Home / 1,221,739.16-1,833,323.16-511,707.72

Finding the Fourth Proportional to 1,221,739.16, 1,833,323.16 and 511,707.72

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Solution

The fourth proportional to 1,221,739.16, 1,833,323.16 and 511,707.72 is: 767,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,739.16 : 1,833,323.16 = 511,707.72 : x
  2. Step 2: Convert to fraction form
    1,221,739.16/1,833,323.16 = 511,707.72/x
  3. Step 3: Cross multiply
    1,221,739.16x = 1,833,323.16 × 511,707.72
  4. Step 4: Simplify right side
    1,221,739.16x = 938,125,614,226.80
  5. Step 5: Solve for x
    x = 938,125,614,226.80/1,221,739.16
  6. Step 6: Final answer
    x = 767,860.80

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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.