Home / 1,009,187.07-1,392,667.99-550,300.48

Finding the Fourth Proportional to 1,009,187.07, 1,392,667.99 and 550,300.48

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Solution

The fourth proportional to 1,009,187.07, 1,392,667.99 and 550,300.48 is: 759,409.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,187.07 : 1,392,667.99 = 550,300.48 : x
  2. Step 2: Convert to fraction form
    1,009,187.07/1,392,667.99 = 550,300.48/x
  3. Step 3: Cross multiply
    1,009,187.07x = 1,392,667.99 × 550,300.48
  4. Step 4: Simplify right side
    1,009,187.07x = 766,385,858,520.21
  5. Step 5: Solve for x
    x = 766,385,858,520.21/1,009,187.07
  6. Step 6: Final answer
    x = 759,409.11

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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.