Home / 917,409.14-1,265,983.64-550,089.03

Finding the Fourth Proportional to 917,409.14, 1,265,983.64 and 550,089.03

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Solution

The fourth proportional to 917,409.14, 1,265,983.64 and 550,089.03 is: 759,098.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,409.14 : 1,265,983.64 = 550,089.03 : x
  2. Step 2: Convert to fraction form
    917,409.14/1,265,983.64 = 550,089.03/x
  3. Step 3: Cross multiply
    917,409.14x = 1,265,983.64 × 550,089.03
  4. Step 4: Simplify right side
    917,409.14x = 696,403,707,016.29
  5. Step 5: Solve for x
    x = 696,403,707,016.29/917,409.14
  6. Step 6: Final answer
    x = 759,098.28

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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.