Home / 931,630.15-1,397,740.47-332,578.03

Finding the Fourth Proportional to 931,630.15, 1,397,740.47 and 332,578.03

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Solution

The fourth proportional to 931,630.15, 1,397,740.47 and 332,578.03 is: 498,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,630.15 : 1,397,740.47 = 332,578.03 : x
  2. Step 2: Convert to fraction form
    931,630.15/1,397,740.47 = 332,578.03/x
  3. Step 3: Cross multiply
    931,630.15x = 1,397,740.47 × 332,578.03
  4. Step 4: Simplify right side
    931,630.15x = 464,857,771,963.87
  5. Step 5: Solve for x
    x = 464,857,771,963.87/931,630.15
  6. Step 6: Final answer
    x = 498,972.44

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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.