Home / 841,796.30-1,161,390.75-479,129.42

Finding the Fourth Proportional to 841,796.30, 1,161,390.75 and 479,129.42

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Solution

The fourth proportional to 841,796.30, 1,161,390.75 and 479,129.42 is: 661,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,796.30 : 1,161,390.75 = 479,129.42 : x
  2. Step 2: Convert to fraction form
    841,796.30/1,161,390.75 = 479,129.42/x
  3. Step 3: Cross multiply
    841,796.30x = 1,161,390.75 × 479,129.42
  4. Step 4: Simplify right side
    841,796.30x = 556,456,476,440.87
  5. Step 5: Solve for x
    x = 556,456,476,440.87/841,796.30
  6. Step 6: Final answer
    x = 661,034.60

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1.5x scale

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.