Home / 943,910.10-1,415,865.15-279,062.10

Finding the Fourth Proportional to 943,910.10, 1,415,865.15 and 279,062.10

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Solution

The fourth proportional to 943,910.10, 1,415,865.15 and 279,062.10 is: 418,593.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,910.10 : 1,415,865.15 = 279,062.10 : x
  2. Step 2: Convert to fraction form
    943,910.10/1,415,865.15 = 279,062.10/x
  3. Step 3: Cross multiply
    943,910.10x = 1,415,865.15 × 279,062.10
  4. Step 4: Simplify right side
    943,910.10x = 395,114,302,075.82
  5. Step 5: Solve for x
    x = 395,114,302,075.82/943,910.10
  6. Step 6: Final answer
    x = 418,593.15

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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.