Home / 846,739.80-1,169,470.72-557,643.69

Finding the Fourth Proportional to 846,739.80, 1,169,470.72 and 557,643.69

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Solution

The fourth proportional to 846,739.80, 1,169,470.72 and 557,643.69 is: 770,186.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,739.80 : 1,169,470.72 = 557,643.69 : x
  2. Step 2: Convert to fraction form
    846,739.80/1,169,470.72 = 557,643.69/x
  3. Step 3: Cross multiply
    846,739.80x = 1,169,470.72 × 557,643.69
  4. Step 4: Simplify right side
    846,739.80x = 652,147,959,012.19
  5. Step 5: Solve for x
    x = 652,147,959,012.19/846,739.80
  6. Step 6: Final answer
    x = 770,186.97

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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.