Home / 874,885.49-1,312,328.23-275,907.19

Finding the Fourth Proportional to 874,885.49, 1,312,328.23 and 275,907.19

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Solution

The fourth proportional to 874,885.49, 1,312,328.23 and 275,907.19 is: 413,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,885.49 : 1,312,328.23 = 275,907.19 : x
  2. Step 2: Convert to fraction form
    874,885.49/1,312,328.23 = 275,907.19/x
  3. Step 3: Cross multiply
    874,885.49x = 1,312,328.23 × 275,907.19
  4. Step 4: Simplify right side
    874,885.49x = 362,080,792,917.44
  5. Step 5: Solve for x
    x = 362,080,792,917.44/874,885.49
  6. Step 6: Final answer
    x = 413,860.78

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Double scale
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Similar ratio
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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.