Home / 1,158,041.16-1,736,728.92-399,685.68

Finding the Fourth Proportional to 1,158,041.16, 1,736,728.92 and 399,685.68

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Solution

The fourth proportional to 1,158,041.16, 1,736,728.92 and 399,685.68 is: 599,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,041.16 : 1,736,728.92 = 399,685.68 : x
  2. Step 2: Convert to fraction form
    1,158,041.16/1,736,728.92 = 399,685.68/x
  3. Step 3: Cross multiply
    1,158,041.16x = 1,736,728.92 × 399,685.68
  4. Step 4: Simplify right side
    1,158,041.16x = 694,145,679,365.87
  5. Step 5: Solve for x
    x = 694,145,679,365.87/1,158,041.16
  6. Step 6: Final answer
    x = 599,413.65

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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.