Home / 839,906.10-1,256,906.70-585,995.40

Finding the Fourth Proportional to 839,906.10, 1,256,906.70 and 585,995.40

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Solution

The fourth proportional to 839,906.10, 1,256,906.70 and 585,995.40 is: 876,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,906.10 : 1,256,906.70 = 585,995.40 : x
  2. Step 2: Convert to fraction form
    839,906.10/1,256,906.70 = 585,995.40/x
  3. Step 3: Cross multiply
    839,906.10x = 1,256,906.70 × 585,995.40
  4. Step 4: Simplify right side
    839,906.10x = 736,541,544,429.18
  5. Step 5: Solve for x
    x = 736,541,544,429.18/839,906.10
  6. Step 6: Final answer
    x = 876,933.20

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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.