Home / 839,199.58-1,258,909.29-306,971.26

Finding the Fourth Proportional to 839,199.58, 1,258,909.29 and 306,971.26

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Solution

The fourth proportional to 839,199.58, 1,258,909.29 and 306,971.26 is: 460,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,199.58 : 1,258,909.29 = 306,971.26 : x
  2. Step 2: Convert to fraction form
    839,199.58/1,258,909.29 = 306,971.26/x
  3. Step 3: Cross multiply
    839,199.58x = 1,258,909.29 × 306,971.26
  4. Step 4: Simplify right side
    839,199.58x = 386,448,970,977.01
  5. Step 5: Solve for x
    x = 386,448,970,977.01/839,199.58
  6. Step 6: Final answer
    x = 460,497.10

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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.