Home / 1,416,782.86-1,955,161.83-772,203.58

Finding the Fourth Proportional to 1,416,782.86, 1,955,161.83 and 772,203.58

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Solution

The fourth proportional to 1,416,782.86, 1,955,161.83 and 772,203.58 is: 1,065,641.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,782.86 : 1,955,161.83 = 772,203.58 : x
  2. Step 2: Convert to fraction form
    1,416,782.86/1,955,161.83 = 772,203.58/x
  3. Step 3: Cross multiply
    1,416,782.86x = 1,955,161.83 × 772,203.58
  4. Step 4: Simplify right side
    1,416,782.86x = 1,509,782,964,605.35
  5. Step 5: Solve for x
    x = 1,509,782,964,605.35/1,416,782.86
  6. Step 6: Final answer
    x = 1,065,641.75

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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.