Home / 585,961.98-878,942.97-211,897.50

Finding the Fourth Proportional to 585,961.98, 878,942.97 and 211,897.50

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Solution

The fourth proportional to 585,961.98, 878,942.97 and 211,897.50 is: 317,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,961.98 : 878,942.97 = 211,897.50 : x
  2. Step 2: Convert to fraction form
    585,961.98/878,942.97 = 211,897.50/x
  3. Step 3: Cross multiply
    585,961.98x = 878,942.97 × 211,897.50
  4. Step 4: Simplify right side
    585,961.98x = 186,245,817,985.58
  5. Step 5: Solve for x
    x = 186,245,817,985.58/585,961.98
  6. Step 6: Final answer
    x = 317,846.25

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Half scale
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Double scale
Find fourth proportional to 585,962.98, 878,944.47 and 211,898.50
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.