Home / 931,413.34-1,397,662.11-391,630.53

Finding the Fourth Proportional to 931,413.34, 1,397,662.11 and 391,630.53

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Solution

The fourth proportional to 931,413.34, 1,397,662.11 and 391,630.53 is: 587,673.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,413.34 : 1,397,662.11 = 391,630.53 : x
  2. Step 2: Convert to fraction form
    931,413.34/1,397,662.11 = 391,630.53/x
  3. Step 3: Cross multiply
    931,413.34x = 1,397,662.11 × 391,630.53
  4. Step 4: Simplify right side
    931,413.34x = 547,367,152,900.22
  5. Step 5: Solve for x
    x = 547,367,152,900.22/931,413.34
  6. Step 6: Final answer
    x = 587,673.73

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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.