Home / 805,879.41-1,112,012.63-544,802.86

Finding the Fourth Proportional to 805,879.41, 1,112,012.63 and 544,802.86

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Solution

The fourth proportional to 805,879.41, 1,112,012.63 and 544,802.86 is: 751,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,879.41 : 1,112,012.63 = 544,802.86 : x
  2. Step 2: Convert to fraction form
    805,879.41/1,112,012.63 = 544,802.86/x
  3. Step 3: Cross multiply
    805,879.41x = 1,112,012.63 × 544,802.86
  4. Step 4: Simplify right side
    805,879.41x = 605,827,664,953.65
  5. Step 5: Solve for x
    x = 605,827,664,953.65/805,879.41
  6. Step 6: Final answer
    x = 751,759.70

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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.