Home / 1,297,366.88-1,790,355.59-708,666.80

Finding the Fourth Proportional to 1,297,366.88, 1,790,355.59 and 708,666.80

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Solution

The fourth proportional to 1,297,366.88, 1,790,355.59 and 708,666.80 is: 977,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,366.88 : 1,790,355.59 = 708,666.80 : x
  2. Step 2: Convert to fraction form
    1,297,366.88/1,790,355.59 = 708,666.80/x
  3. Step 3: Cross multiply
    1,297,366.88x = 1,790,355.59 × 708,666.80
  4. Step 4: Simplify right side
    1,297,366.88x = 1,268,765,554,332.30
  5. Step 5: Solve for x
    x = 1,268,765,554,332.30/1,297,366.88
  6. Step 6: Final answer
    x = 977,954.33

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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.