Home / 1,440,042.96-1,987,176.93-859,920.69

Finding the Fourth Proportional to 1,440,042.96, 1,987,176.93 and 859,920.69

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Solution

The fourth proportional to 1,440,042.96, 1,987,176.93 and 859,920.69 is: 1,186,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,042.96 : 1,987,176.93 = 859,920.69 : x
  2. Step 2: Convert to fraction form
    1,440,042.96/1,987,176.93 = 859,920.69/x
  3. Step 3: Cross multiply
    1,440,042.96x = 1,987,176.93 × 859,920.69
  4. Step 4: Simplify right side
    1,440,042.96x = 1,708,814,556,797.68
  5. Step 5: Solve for x
    x = 1,708,814,556,797.68/1,440,042.96
  6. Step 6: Final answer
    x = 1,186,641.37

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1.5x scale

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.