Home / 804,009.37-1,109,216.48-459,660.29

Finding the Fourth Proportional to 804,009.37, 1,109,216.48 and 459,660.29

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Solution

The fourth proportional to 804,009.37, 1,109,216.48 and 459,660.29 is: 634,150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,009.37 : 1,109,216.48 = 459,660.29 : x
  2. Step 2: Convert to fraction form
    804,009.37/1,109,216.48 = 459,660.29/x
  3. Step 3: Cross multiply
    804,009.37x = 1,109,216.48 × 459,660.29
  4. Step 4: Simplify right side
    804,009.37x = 509,862,772,969.80
  5. Step 5: Solve for x
    x = 509,862,772,969.80/804,009.37
  6. Step 6: Final answer
    x = 634,150.29

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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.