Home / 519,974.94-779,962.65-187,550.94

Finding the Fourth Proportional to 519,974.94, 779,962.65 and 187,550.94

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Solution

The fourth proportional to 519,974.94, 779,962.65 and 187,550.94 is: 281,326.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,974.94 : 779,962.65 = 187,550.94 : x
  2. Step 2: Convert to fraction form
    519,974.94/779,962.65 = 187,550.94/x
  3. Step 3: Cross multiply
    519,974.94x = 779,962.65 × 187,550.94
  4. Step 4: Simplify right side
    519,974.94x = 146,282,728,172.39
  5. Step 5: Solve for x
    x = 146,282,728,172.39/519,974.94
  6. Step 6: Final answer
    x = 281,326.50

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Half scale
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Double scale
Find fourth proportional to 519,975.94, 779,964.15 and 187,551.94
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.