Home / 690,206.04-1,035,413.52-216,846.84

Finding the Fourth Proportional to 690,206.04, 1,035,413.52 and 216,846.84

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Solution

The fourth proportional to 690,206.04, 1,035,413.52 and 216,846.84 is: 325,303.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,206.04 : 1,035,413.52 = 216,846.84 : x
  2. Step 2: Convert to fraction form
    690,206.04/1,035,413.52 = 216,846.84/x
  3. Step 3: Cross multiply
    690,206.04x = 1,035,413.52 × 216,846.84
  4. Step 4: Simplify right side
    690,206.04x = 224,526,149,905.28
  5. Step 5: Solve for x
    x = 224,526,149,905.28/690,206.04
  6. Step 6: Final answer
    x = 325,303.08

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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.