Home / 1,016,321.81-1,402,503.12-629,034.48

Finding the Fourth Proportional to 1,016,321.81, 1,402,503.12 and 629,034.48

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Solution

The fourth proportional to 1,016,321.81, 1,402,503.12 and 629,034.48 is: 868,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,321.81 : 1,402,503.12 = 629,034.48 : x
  2. Step 2: Convert to fraction form
    1,016,321.81/1,402,503.12 = 629,034.48/x
  3. Step 3: Cross multiply
    1,016,321.81x = 1,402,503.12 × 629,034.48
  4. Step 4: Simplify right side
    1,016,321.81x = 882,222,820,787.58
  5. Step 5: Solve for x
    x = 882,222,820,787.58/1,016,321.81
  6. Step 6: Final answer
    x = 868,054.60

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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.