Home / 899,706.84-1,241,595.54-491,810.33

Finding the Fourth Proportional to 899,706.84, 1,241,595.54 and 491,810.33

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Solution

The fourth proportional to 899,706.84, 1,241,595.54 and 491,810.33 is: 678,698.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,706.84 : 1,241,595.54 = 491,810.33 : x
  2. Step 2: Convert to fraction form
    899,706.84/1,241,595.54 = 491,810.33/x
  3. Step 3: Cross multiply
    899,706.84x = 1,241,595.54 × 491,810.33
  4. Step 4: Simplify right side
    899,706.84x = 610,629,515,357.92
  5. Step 5: Solve for x
    x = 610,629,515,357.92/899,706.84
  6. Step 6: Final answer
    x = 678,698.31

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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.