Home / 705,431.17-973,497.79-383,146.64

Finding the Fourth Proportional to 705,431.17, 973,497.79 and 383,146.64

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Solution

The fourth proportional to 705,431.17, 973,497.79 and 383,146.64 is: 528,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,431.17 : 973,497.79 = 383,146.64 : x
  2. Step 2: Convert to fraction form
    705,431.17/973,497.79 = 383,146.64/x
  3. Step 3: Cross multiply
    705,431.17x = 973,497.79 × 383,146.64
  4. Step 4: Simplify right side
    705,431.17x = 372,992,407,285.93
  5. Step 5: Solve for x
    x = 372,992,407,285.93/705,431.17
  6. Step 6: Final answer
    x = 528,743.87

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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.