Home / 1,014,540.47-1,400,109.86-561,831.47

Finding the Fourth Proportional to 1,014,540.47, 1,400,109.86 and 561,831.47

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Solution

The fourth proportional to 1,014,540.47, 1,400,109.86 and 561,831.47 is: 775,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,540.47 : 1,400,109.86 = 561,831.47 : x
  2. Step 2: Convert to fraction form
    1,014,540.47/1,400,109.86 = 561,831.47/x
  3. Step 3: Cross multiply
    1,014,540.47x = 1,400,109.86 × 561,831.47
  4. Step 4: Simplify right side
    1,014,540.47x = 786,625,778,352.87
  5. Step 5: Solve for x
    x = 786,625,778,352.87/1,014,540.47
  6. Step 6: Final answer
    x = 775,351.80

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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.