Home / 1,179,516.39-1,768,931.82-459,697.89

Finding the Fourth Proportional to 1,179,516.39, 1,768,931.82 and 459,697.89

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Solution

The fourth proportional to 1,179,516.39, 1,768,931.82 and 459,697.89 is: 689,413.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,516.39 : 1,768,931.82 = 459,697.89 : x
  2. Step 2: Convert to fraction form
    1,179,516.39/1,768,931.82 = 459,697.89/x
  3. Step 3: Cross multiply
    1,179,516.39x = 1,768,931.82 × 459,697.89
  4. Step 4: Simplify right side
    1,179,516.39x = 813,174,225,207.86
  5. Step 5: Solve for x
    x = 813,174,225,207.86/1,179,516.39
  6. Step 6: Final answer
    x = 689,413.25

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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.