Home / 750,707.94-1,036,051.38-428,466.72

Finding the Fourth Proportional to 750,707.94, 1,036,051.38 and 428,466.72

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Solution

The fourth proportional to 750,707.94, 1,036,051.38 and 428,466.72 is: 591,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,707.94 : 1,036,051.38 = 428,466.72 : x
  2. Step 2: Convert to fraction form
    750,707.94/1,036,051.38 = 428,466.72/x
  3. Step 3: Cross multiply
    750,707.94x = 1,036,051.38 × 428,466.72
  4. Step 4: Simplify right side
    750,707.94x = 443,913,536,540.07
  5. Step 5: Solve for x
    x = 443,913,536,540.07/750,707.94
  6. Step 6: Final answer
    x = 591,326.55

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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.