Home / 993,609.20-1,490,413.80-394,713.20

Finding the Fourth Proportional to 993,609.20, 1,490,413.80 and 394,713.20

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Solution

The fourth proportional to 993,609.20, 1,490,413.80 and 394,713.20 is: 592,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,609.20 : 1,490,413.80 = 394,713.20 : x
  2. Step 2: Convert to fraction form
    993,609.20/1,490,413.80 = 394,713.20/x
  3. Step 3: Cross multiply
    993,609.20x = 1,490,413.80 × 394,713.20
  4. Step 4: Simplify right side
    993,609.20x = 588,286,000,322.16
  5. Step 5: Solve for x
    x = 588,286,000,322.16/993,609.20
  6. Step 6: Final answer
    x = 592,069.80

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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.