Home / 904,304.78-1,247,935.67-496,413.56

Finding the Fourth Proportional to 904,304.78, 1,247,935.67 and 496,413.56

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Solution

The fourth proportional to 904,304.78, 1,247,935.67 and 496,413.56 is: 685,048.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,304.78 : 1,247,935.67 = 496,413.56 : x
  2. Step 2: Convert to fraction form
    904,304.78/1,247,935.67 = 496,413.56/x
  3. Step 3: Cross multiply
    904,304.78x = 1,247,935.67 × 496,413.56
  4. Step 4: Simplify right side
    904,304.78x = 619,492,188,755.13
  5. Step 5: Solve for x
    x = 619,492,188,755.13/904,304.78
  6. Step 6: Final answer
    x = 685,048.01

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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.