Home / 903,106.54-1,246,342.92-500,698.54

Finding the Fourth Proportional to 903,106.54, 1,246,342.92 and 500,698.54

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Solution

The fourth proportional to 903,106.54, 1,246,342.92 and 500,698.54 is: 690,994.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,106.54 : 1,246,342.92 = 500,698.54 : x
  2. Step 2: Convert to fraction form
    903,106.54/1,246,342.92 = 500,698.54/x
  3. Step 3: Cross multiply
    903,106.54x = 1,246,342.92 × 500,698.54
  4. Step 4: Simplify right side
    903,106.54x = 624,042,080,383.34
  5. Step 5: Solve for x
    x = 624,042,080,383.34/903,106.54
  6. Step 6: Final answer
    x = 690,994.97

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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.