Home / 913,054.96-1,260,052.96-505,149.76

Finding the Fourth Proportional to 913,054.96, 1,260,052.96 and 505,149.76

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Solution

The fourth proportional to 913,054.96, 1,260,052.96 and 505,149.76 is: 697,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,054.96 : 1,260,052.96 = 505,149.76 : x
  2. Step 2: Convert to fraction form
    913,054.96/1,260,052.96 = 505,149.76/x
  3. Step 3: Cross multiply
    913,054.96x = 1,260,052.96 × 505,149.76
  4. Step 4: Simplify right side
    913,054.96x = 636,515,450,331.29
  5. Step 5: Solve for x
    x = 636,515,450,331.29/913,054.96
  6. Step 6: Final answer
    x = 697,127.20

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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.