Home / 766,413.54-1,057,651.02-444,310.38

Finding the Fourth Proportional to 766,413.54, 1,057,651.02 and 444,310.38

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Solution

The fourth proportional to 766,413.54, 1,057,651.02 and 444,310.38 is: 613,148.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,413.54 : 1,057,651.02 = 444,310.38 : x
  2. Step 2: Convert to fraction form
    766,413.54/1,057,651.02 = 444,310.38/x
  3. Step 3: Cross multiply
    766,413.54x = 1,057,651.02 × 444,310.38
  4. Step 4: Simplify right side
    766,413.54x = 469,925,326,603.59
  5. Step 5: Solve for x
    x = 469,925,326,603.59/766,413.54
  6. Step 6: Final answer
    x = 613,148.52

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.