Home / 839,116.81-1,258,863.23-306,624.23

Finding the Fourth Proportional to 839,116.81, 1,258,863.23 and 306,624.23

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Solution

The fourth proportional to 839,116.81, 1,258,863.23 and 306,624.23 is: 460,005.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,116.81 : 1,258,863.23 = 306,624.23 : x
  2. Step 2: Convert to fraction form
    839,116.81/1,258,863.23 = 306,624.23/x
  3. Step 3: Cross multiply
    839,116.81x = 1,258,863.23 × 306,624.23
  4. Step 4: Simplify right side
    839,116.81x = 385,997,963,046.31
  5. Step 5: Solve for x
    x = 385,997,963,046.31/839,116.81
  6. Step 6: Final answer
    x = 460,005.04

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Double scale
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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.