Home / 1,009,186.82-1,392,667.64-550,300.23

Finding the Fourth Proportional to 1,009,186.82, 1,392,667.64 and 550,300.23

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Solution

The fourth proportional to 1,009,186.82, 1,392,667.64 and 550,300.23 is: 759,408.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,186.82 : 1,392,667.64 = 550,300.23 : x
  2. Step 2: Convert to fraction form
    1,009,186.82/1,392,667.64 = 550,300.23/x
  3. Step 3: Cross multiply
    1,009,186.82x = 1,392,667.64 × 550,300.23
  4. Step 4: Simplify right side
    1,009,186.82x = 766,385,315,642.22
  5. Step 5: Solve for x
    x = 766,385,315,642.22/1,009,186.82
  6. Step 6: Final answer
    x = 759,408.76

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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.