Home / 725,903.64-1,088,851.82-186,157.51

Finding the Fourth Proportional to 725,903.64, 1,088,851.82 and 186,157.51

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Solution

The fourth proportional to 725,903.64, 1,088,851.82 and 186,157.51 is: 279,235.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,903.64 : 1,088,851.82 = 186,157.51 : x
  2. Step 2: Convert to fraction form
    725,903.64/1,088,851.82 = 186,157.51/x
  3. Step 3: Cross multiply
    725,903.64x = 1,088,851.82 × 186,157.51
  4. Step 4: Simplify right side
    725,903.64x = 202,697,939,917.25
  5. Step 5: Solve for x
    x = 202,697,939,917.25/725,903.64
  6. Step 6: Final answer
    x = 279,235.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.