Home / 761,090.93-1,049,907.26-470,609.63

Finding the Fourth Proportional to 761,090.93, 1,049,907.26 and 470,609.63

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Solution

The fourth proportional to 761,090.93, 1,049,907.26 and 470,609.63 is: 649,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,090.93 : 1,049,907.26 = 470,609.63 : x
  2. Step 2: Convert to fraction form
    761,090.93/1,049,907.26 = 470,609.63/x
  3. Step 3: Cross multiply
    761,090.93x = 1,049,907.26 × 470,609.63
  4. Step 4: Simplify right side
    761,090.93x = 494,096,459,560.33
  5. Step 5: Solve for x
    x = 494,096,459,560.33/761,090.93
  6. Step 6: Final answer
    x = 649,195.05

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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.