Home / 480,413.62-663,036.66-276,460.36

Finding the Fourth Proportional to 480,413.62, 663,036.66 and 276,460.36

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Solution

The fourth proportional to 480,413.62, 663,036.66 and 276,460.36 is: 381,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,413.62 : 663,036.66 = 276,460.36 : x
  2. Step 2: Convert to fraction form
    480,413.62/663,036.66 = 276,460.36/x
  3. Step 3: Cross multiply
    480,413.62x = 663,036.66 × 276,460.36
  4. Step 4: Simplify right side
    480,413.62x = 183,303,353,716.80
  5. Step 5: Solve for x
    x = 183,303,353,716.80/480,413.62
  6. Step 6: Final answer
    x = 381,553.20

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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.