Home / 1,035,976.70-1,429,713.56-628,117.60

Finding the Fourth Proportional to 1,035,976.70, 1,429,713.56 and 628,117.60

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Solution

The fourth proportional to 1,035,976.70, 1,429,713.56 and 628,117.60 is: 866,842.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,976.70 : 1,429,713.56 = 628,117.60 : x
  2. Step 2: Convert to fraction form
    1,035,976.70/1,429,713.56 = 628,117.60/x
  3. Step 3: Cross multiply
    1,035,976.70x = 1,429,713.56 × 628,117.60
  4. Step 4: Simplify right side
    1,035,976.70x = 898,028,239,705.50
  5. Step 5: Solve for x
    x = 898,028,239,705.50/1,035,976.70
  6. Step 6: Final answer
    x = 866,842.12

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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.