Home / 1,068,367.70-1,602,551.55-320,413.70

Finding the Fourth Proportional to 1,068,367.70, 1,602,551.55 and 320,413.70

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Solution

The fourth proportional to 1,068,367.70, 1,602,551.55 and 320,413.70 is: 480,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,367.70 : 1,602,551.55 = 320,413.70 : x
  2. Step 2: Convert to fraction form
    1,068,367.70/1,602,551.55 = 320,413.70/x
  3. Step 3: Cross multiply
    1,068,367.70x = 1,602,551.55 × 320,413.70
  4. Step 4: Simplify right side
    1,068,367.70x = 513,479,471,576.24
  5. Step 5: Solve for x
    x = 513,479,471,576.24/1,068,367.70
  6. Step 6: Final answer
    x = 480,620.55

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Half scale
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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.