Home / 839,118.81-1,258,866.23-306,626.23

Finding the Fourth Proportional to 839,118.81, 1,258,866.23 and 306,626.23

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Solution

The fourth proportional to 839,118.81, 1,258,866.23 and 306,626.23 is: 460,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,118.81 : 1,258,866.23 = 306,626.23 : x
  2. Step 2: Convert to fraction form
    839,118.81/1,258,866.23 = 306,626.23/x
  3. Step 3: Cross multiply
    839,118.81x = 1,258,866.23 × 306,626.23
  4. Step 4: Simplify right side
    839,118.81x = 386,001,406,179.21
  5. Step 5: Solve for x
    x = 386,001,406,179.21/839,118.81
  6. Step 6: Final answer
    x = 460,008.05

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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.