Home / 1,137,786.46-1,570,128.96-621,534.16

Finding the Fourth Proportional to 1,137,786.46, 1,570,128.96 and 621,534.16

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Solution

The fourth proportional to 1,137,786.46, 1,570,128.96 and 621,534.16 is: 857,708.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,786.46 : 1,570,128.96 = 621,534.16 : x
  2. Step 2: Convert to fraction form
    1,137,786.46/1,570,128.96 = 621,534.16/x
  3. Step 3: Cross multiply
    1,137,786.46x = 1,570,128.96 × 621,534.16
  4. Step 4: Simplify right side
    1,137,786.46x = 975,888,784,245.27
  5. Step 5: Solve for x
    x = 975,888,784,245.27/1,137,786.46
  6. Step 6: Final answer
    x = 857,708.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.