Home / 786,983.04-1,085,927.04-447,413.76

Finding the Fourth Proportional to 786,983.04, 1,085,927.04 and 447,413.76

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Solution

The fourth proportional to 786,983.04, 1,085,927.04 and 447,413.76 is: 617,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,983.04 : 1,085,927.04 = 447,413.76 : x
  2. Step 2: Convert to fraction form
    786,983.04/1,085,927.04 = 447,413.76/x
  3. Step 3: Cross multiply
    786,983.04x = 1,085,927.04 × 447,413.76
  4. Step 4: Simplify right side
    786,983.04x = 485,858,700,052.07
  5. Step 5: Solve for x
    x = 485,858,700,052.07/786,983.04
  6. Step 6: Final answer
    x = 617,368.70

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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.