Home / 1,291,846.93-1,782,680.93-710,959.03

Finding the Fourth Proportional to 1,291,846.93, 1,782,680.93 and 710,959.03

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Solution

The fourth proportional to 1,291,846.93, 1,782,680.93 and 710,959.03 is: 981,086.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,846.93 : 1,782,680.93 = 710,959.03 : x
  2. Step 2: Convert to fraction form
    1,291,846.93/1,782,680.93 = 710,959.03/x
  3. Step 3: Cross multiply
    1,291,846.93x = 1,782,680.93 × 710,959.03
  4. Step 4: Simplify right side
    1,291,846.93x = 1,267,413,111,474.05
  5. Step 5: Solve for x
    x = 1,267,413,111,474.05/1,291,846.93
  6. Step 6: Final answer
    x = 981,086.13

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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.