Home / 816,770.81-1,225,349.98-277,016.83

Finding the Fourth Proportional to 816,770.81, 1,225,349.98 and 277,016.83

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Solution

The fourth proportional to 816,770.81, 1,225,349.98 and 277,016.83 is: 415,590.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,770.81 : 1,225,349.98 = 277,016.83 : x
  2. Step 2: Convert to fraction form
    816,770.81/1,225,349.98 = 277,016.83/x
  3. Step 3: Cross multiply
    816,770.81x = 1,225,349.98 × 277,016.83
  4. Step 4: Simplify right side
    816,770.81x = 339,442,563,344.25
  5. Step 5: Solve for x
    x = 339,442,563,344.25/816,770.81
  6. Step 6: Final answer
    x = 415,590.96

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Double scale
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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.