Home / 839,119.81-1,258,867.73-306,627.23

Finding the Fourth Proportional to 839,119.81, 1,258,867.73 and 306,627.23

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Solution

The fourth proportional to 839,119.81, 1,258,867.73 and 306,627.23 is: 460,009.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,119.81 : 1,258,867.73 = 306,627.23 : x
  2. Step 2: Convert to fraction form
    839,119.81/1,258,867.73 = 306,627.23/x
  3. Step 3: Cross multiply
    839,119.81x = 1,258,867.73 × 306,627.23
  4. Step 4: Simplify right side
    839,119.81x = 386,003,124,986.29
  5. Step 5: Solve for x
    x = 386,003,124,986.29/839,119.81
  6. Step 6: Final answer
    x = 460,009.55

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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.