Home / 759,218.37-1,047,680.24-419,664.75

Finding the Fourth Proportional to 759,218.37, 1,047,680.24 and 419,664.75

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Solution

The fourth proportional to 759,218.37, 1,047,680.24 and 419,664.75 is: 579,114.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,218.37 : 1,047,680.24 = 419,664.75 : x
  2. Step 2: Convert to fraction form
    759,218.37/1,047,680.24 = 419,664.75/x
  3. Step 3: Cross multiply
    759,218.37x = 1,047,680.24 × 419,664.75
  4. Step 4: Simplify right side
    759,218.37x = 439,674,463,901.22
  5. Step 5: Solve for x
    x = 439,674,463,901.22/759,218.37
  6. Step 6: Final answer
    x = 579,114.63

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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.