Home / 1,285,393.26-1,773,811.98-712,421.16

Finding the Fourth Proportional to 1,285,393.26, 1,773,811.98 and 712,421.16

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Solution

The fourth proportional to 1,285,393.26, 1,773,811.98 and 712,421.16 is: 983,124.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,393.26 : 1,773,811.98 = 712,421.16 : x
  2. Step 2: Convert to fraction form
    1,285,393.26/1,773,811.98 = 712,421.16/x
  3. Step 3: Cross multiply
    1,285,393.26x = 1,773,811.98 × 712,421.16
  4. Step 4: Simplify right side
    1,285,393.26x = 1,263,701,188,413.50
  5. Step 5: Solve for x
    x = 1,263,701,188,413.50/1,285,393.26
  6. Step 6: Final answer
    x = 983,124.18

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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.