Home / 837,974.71-1,156,431.18-475,413.85

Finding the Fourth Proportional to 837,974.71, 1,156,431.18 and 475,413.85

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Solution

The fourth proportional to 837,974.71, 1,156,431.18 and 475,413.85 is: 656,085.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,974.71 : 1,156,431.18 = 475,413.85 : x
  2. Step 2: Convert to fraction form
    837,974.71/1,156,431.18 = 475,413.85/x
  3. Step 3: Cross multiply
    837,974.71x = 1,156,431.18 × 475,413.85
  4. Step 4: Simplify right side
    837,974.71x = 549,783,399,543.84
  5. Step 5: Solve for x
    x = 549,783,399,543.84/837,974.71
  6. Step 6: Final answer
    x = 656,085.91

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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.