Home / 703,985.46-1,054,228.56-644,258.46

Finding the Fourth Proportional to 703,985.46, 1,054,228.56 and 644,258.46

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Solution

The fourth proportional to 703,985.46, 1,054,228.56 and 644,258.46 is: 964,786.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,985.46 : 1,054,228.56 = 644,258.46 : x
  2. Step 2: Convert to fraction form
    703,985.46/1,054,228.56 = 644,258.46/x
  3. Step 3: Cross multiply
    703,985.46x = 1,054,228.56 × 644,258.46
  4. Step 4: Simplify right side
    703,985.46x = 679,195,668,553.62
  5. Step 5: Solve for x
    x = 679,195,668,553.62/703,985.46
  6. Step 6: Final answer
    x = 964,786.50

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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.