Home / 839,964.30-1,259,946.45-761,232.30

Finding the Fourth Proportional to 839,964.30, 1,259,946.45 and 761,232.30

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Solution

The fourth proportional to 839,964.30, 1,259,946.45 and 761,232.30 is: 1,141,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,964.30 : 1,259,946.45 = 761,232.30 : x
  2. Step 2: Convert to fraction form
    839,964.30/1,259,946.45 = 761,232.30/x
  3. Step 3: Cross multiply
    839,964.30x = 1,259,946.45 × 761,232.30
  4. Step 4: Simplify right side
    839,964.30x = 959,111,934,010.34
  5. Step 5: Solve for x
    x = 959,111,934,010.34/839,964.30
  6. Step 6: Final answer
    x = 1,141,848.45

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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.