Home / 1,284,933.60-1,773,206.64-712,010.88

Finding the Fourth Proportional to 1,284,933.60, 1,773,206.64 and 712,010.88

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Solution

The fourth proportional to 1,284,933.60, 1,773,206.64 and 712,010.88 is: 982,574.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,933.60 : 1,773,206.64 = 712,010.88 : x
  2. Step 2: Convert to fraction form
    1,284,933.60/1,773,206.64 = 712,010.88/x
  3. Step 3: Cross multiply
    1,284,933.60x = 1,773,206.64 × 712,010.88
  4. Step 4: Simplify right side
    1,284,933.60x = 1,262,542,420,168.24
  5. Step 5: Solve for x
    x = 1,262,542,420,168.24/1,284,933.60
  6. Step 6: Final answer
    x = 982,574.06

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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.