Home / 727,576.48-1,004,066.22-421,675.48

Finding the Fourth Proportional to 727,576.48, 1,004,066.22 and 421,675.48

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Solution

The fourth proportional to 727,576.48, 1,004,066.22 and 421,675.48 is: 581,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,576.48 : 1,004,066.22 = 421,675.48 : x
  2. Step 2: Convert to fraction form
    727,576.48/1,004,066.22 = 421,675.48/x
  3. Step 3: Cross multiply
    727,576.48x = 1,004,066.22 × 421,675.48
  4. Step 4: Simplify right side
    727,576.48x = 423,390,105,270.29
  5. Step 5: Solve for x
    x = 423,390,105,270.29/727,576.48
  6. Step 6: Final answer
    x = 581,918.35

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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.