Home / 931,988-1,397,626.80-332,837.28

Finding the Fourth Proportional to 931,988, 1,397,626.80 and 332,837.28

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Solution

The fourth proportional to 931,988, 1,397,626.80 and 332,837.28 is: 499,129.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,988 : 1,397,626.80 = 332,837.28 : x
  2. Step 2: Convert to fraction form
    931,988/1,397,626.80 = 332,837.28/x
  3. Step 3: Cross multiply
    931,988x = 1,397,626.80 × 332,837.28
  4. Step 4: Simplify right side
    931,988x = 465,182,302,567.10
  5. Step 5: Solve for x
    x = 465,182,302,567.10/931,988
  6. Step 6: Final answer
    x = 499,129.07

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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.