Home / 731,413.14-1,096,896.06-257,987.78

Finding the Fourth Proportional to 731,413.14, 1,096,896.06 and 257,987.78

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Solution

The fourth proportional to 731,413.14, 1,096,896.06 and 257,987.78 is: 386,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,413.14 : 1,096,896.06 = 257,987.78 : x
  2. Step 2: Convert to fraction form
    731,413.14/1,096,896.06 = 257,987.78/x
  3. Step 3: Cross multiply
    731,413.14x = 1,096,896.06 × 257,987.78
  4. Step 4: Simplify right side
    731,413.14x = 282,985,779,410.15
  5. Step 5: Solve for x
    x = 282,985,779,410.15/731,413.14
  6. Step 6: Final answer
    x = 386,902.78

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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.