Home / 434,413.20-651,619.80-404,888.70

Finding the Fourth Proportional to 434,413.20, 651,619.80 and 404,888.70

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Solution

The fourth proportional to 434,413.20, 651,619.80 and 404,888.70 is: 607,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,413.20 : 651,619.80 = 404,888.70 : x
  2. Step 2: Convert to fraction form
    434,413.20/651,619.80 = 404,888.70/x
  3. Step 3: Cross multiply
    434,413.20x = 651,619.80 × 404,888.70
  4. Step 4: Simplify right side
    434,413.20x = 263,833,493,716.26
  5. Step 5: Solve for x
    x = 263,833,493,716.26/434,413.20
  6. Step 6: Final answer
    x = 607,333.05

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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.