Home / 899,218.40-1,239,480.16-608,738.36

Finding the Fourth Proportional to 899,218.40, 1,239,480.16 and 608,738.36

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Solution

The fourth proportional to 899,218.40, 1,239,480.16 and 608,738.36 is: 839,083.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,218.40 : 1,239,480.16 = 608,738.36 : x
  2. Step 2: Convert to fraction form
    899,218.40/1,239,480.16 = 608,738.36/x
  3. Step 3: Cross multiply
    899,218.40x = 1,239,480.16 × 608,738.36
  4. Step 4: Simplify right side
    899,218.40x = 754,519,119,850.94
  5. Step 5: Solve for x
    x = 754,519,119,850.94/899,218.40
  6. Step 6: Final answer
    x = 839,083.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.