Home / 753,821.16-1,130,713.78-185,201.22

Finding the Fourth Proportional to 753,821.16, 1,130,713.78 and 185,201.22

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Solution

The fourth proportional to 753,821.16, 1,130,713.78 and 185,201.22 is: 277,797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,821.16 : 1,130,713.78 = 185,201.22 : x
  2. Step 2: Convert to fraction form
    753,821.16/1,130,713.78 = 185,201.22/x
  3. Step 3: Cross multiply
    753,821.16x = 1,130,713.78 × 185,201.22
  4. Step 4: Simplify right side
    753,821.16x = 209,409,571,526.81
  5. Step 5: Solve for x
    x = 209,409,571,526.81/753,821.16
  6. Step 6: Final answer
    x = 277,797.42

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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.