Home / 940,413.51-1,298,167.95-634,903.73

Finding the Fourth Proportional to 940,413.51, 1,298,167.95 and 634,903.73

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Solution

The fourth proportional to 940,413.51, 1,298,167.95 and 634,903.73 is: 876,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,413.51 : 1,298,167.95 = 634,903.73 : x
  2. Step 2: Convert to fraction form
    940,413.51/1,298,167.95 = 634,903.73/x
  3. Step 3: Cross multiply
    940,413.51x = 1,298,167.95 × 634,903.73
  4. Step 4: Simplify right side
    940,413.51x = 824,211,673,621.45
  5. Step 5: Solve for x
    x = 824,211,673,621.45/940,413.51
  6. Step 6: Final answer
    x = 876,435.38

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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.