Home / 1,201,012.80-1,657,167.48-684,756.96

Finding the Fourth Proportional to 1,201,012.80, 1,657,167.48 and 684,756.96

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Solution

The fourth proportional to 1,201,012.80, 1,657,167.48 and 684,756.96 is: 944,833.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,012.80 : 1,657,167.48 = 684,756.96 : x
  2. Step 2: Convert to fraction form
    1,201,012.80/1,657,167.48 = 684,756.96/x
  3. Step 3: Cross multiply
    1,201,012.80x = 1,657,167.48 × 684,756.96
  4. Step 4: Simplify right side
    1,201,012.80x = 1,134,756,965,815.66
  5. Step 5: Solve for x
    x = 1,134,756,965,815.66/1,201,012.80
  6. Step 6: Final answer
    x = 944,833.37

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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.