Home / 841,309.48-1,261,964.22-447,233.32

Finding the Fourth Proportional to 841,309.48, 1,261,964.22 and 447,233.32

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Solution

The fourth proportional to 841,309.48, 1,261,964.22 and 447,233.32 is: 670,849.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,309.48 : 1,261,964.22 = 447,233.32 : x
  2. Step 2: Convert to fraction form
    841,309.48/1,261,964.22 = 447,233.32/x
  3. Step 3: Cross multiply
    841,309.48x = 1,261,964.22 × 447,233.32
  4. Step 4: Simplify right side
    841,309.48x = 564,392,447,831.81
  5. Step 5: Solve for x
    x = 564,392,447,831.81/841,309.48
  6. Step 6: Final answer
    x = 670,849.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.