Home / 1,786,117.20-2,464,831.86-970,314.36

Finding the Fourth Proportional to 1,786,117.20, 2,464,831.86 and 970,314.36

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Solution

The fourth proportional to 1,786,117.20, 2,464,831.86 and 970,314.36 is: 1,339,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,117.20 : 2,464,831.86 = 970,314.36 : x
  2. Step 2: Convert to fraction form
    1,786,117.20/2,464,831.86 = 970,314.36/x
  3. Step 3: Cross multiply
    1,786,117.20x = 2,464,831.86 × 970,314.36
  4. Step 4: Simplify right side
    1,786,117.20x = 2,391,661,748,743.51
  5. Step 5: Solve for x
    x = 2,391,661,748,743.51/1,786,117.20
  6. Step 6: Final answer
    x = 1,339,028.45

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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.