Home / 790,624.24-1,091,062.14-428,048.38

Finding the Fourth Proportional to 790,624.24, 1,091,062.14 and 428,048.38

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Solution

The fourth proportional to 790,624.24, 1,091,062.14 and 428,048.38 is: 590,707.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,624.24 : 1,091,062.14 = 428,048.38 : x
  2. Step 2: Convert to fraction form
    790,624.24/1,091,062.14 = 428,048.38/x
  3. Step 3: Cross multiply
    790,624.24x = 1,091,062.14 × 428,048.38
  4. Step 4: Simplify right side
    790,624.24x = 467,027,381,506.33
  5. Step 5: Solve for x
    x = 467,027,381,506.33/790,624.24
  6. Step 6: Final answer
    x = 590,707.14

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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.