Home / 773,160.75-1,067,428.40-505,355.31

Finding the Fourth Proportional to 773,160.75, 1,067,428.40 and 505,355.31

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Solution

The fourth proportional to 773,160.75, 1,067,428.40 and 505,355.31 is: 697,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,160.75 : 1,067,428.40 = 505,355.31 : x
  2. Step 2: Convert to fraction form
    773,160.75/1,067,428.40 = 505,355.31/x
  3. Step 3: Cross multiply
    773,160.75x = 1,067,428.40 × 505,355.31
  4. Step 4: Simplify right side
    773,160.75x = 539,430,607,458.03
  5. Step 5: Solve for x
    x = 539,430,607,458.03/773,160.75
  6. Step 6: Final answer
    x = 697,695.28

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Double scale
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1.5x scale

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.