Home / 936,821.50-1,292,988.81-534,413.50

Finding the Fourth Proportional to 936,821.50, 1,292,988.81 and 534,413.50

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Solution

The fourth proportional to 936,821.50, 1,292,988.81 and 534,413.50 is: 737,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,821.50 : 1,292,988.81 = 534,413.50 : x
  2. Step 2: Convert to fraction form
    936,821.50/1,292,988.81 = 534,413.50/x
  3. Step 3: Cross multiply
    936,821.50x = 1,292,988.81 × 534,413.50
  4. Step 4: Simplify right side
    936,821.50x = 690,990,675,412.94
  5. Step 5: Solve for x
    x = 690,990,675,412.94/936,821.50
  6. Step 6: Final answer
    x = 737,590.54

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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.