Home / 929,803.60-1,394,705.40-628,653.70

Finding the Fourth Proportional to 929,803.60, 1,394,705.40 and 628,653.70

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Solution

The fourth proportional to 929,803.60, 1,394,705.40 and 628,653.70 is: 942,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,803.60 : 1,394,705.40 = 628,653.70 : x
  2. Step 2: Convert to fraction form
    929,803.60/1,394,705.40 = 628,653.70/x
  3. Step 3: Cross multiply
    929,803.60x = 1,394,705.40 × 628,653.70
  4. Step 4: Simplify right side
    929,803.60x = 876,786,710,119.98
  5. Step 5: Solve for x
    x = 876,786,710,119.98/929,803.60
  6. Step 6: Final answer
    x = 942,980.55

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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.