Home / 1,155,183.39-1,594,014.48-638,867.22

Finding the Fourth Proportional to 1,155,183.39, 1,594,014.48 and 638,867.22

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Solution

The fourth proportional to 1,155,183.39, 1,594,014.48 and 638,867.22 is: 881,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,183.39 : 1,594,014.48 = 638,867.22 : x
  2. Step 2: Convert to fraction form
    1,155,183.39/1,594,014.48 = 638,867.22/x
  3. Step 3: Cross multiply
    1,155,183.39x = 1,594,014.48 × 638,867.22
  4. Step 4: Simplify right side
    1,155,183.39x = 1,018,363,599,477.35
  5. Step 5: Solve for x
    x = 1,018,363,599,477.35/1,155,183.39
  6. Step 6: Final answer
    x = 881,560.11

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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.