Home / 879,904.73-1,214,269.31-477,496.73

Finding the Fourth Proportional to 879,904.73, 1,214,269.31 and 477,496.73

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Solution

The fourth proportional to 879,904.73, 1,214,269.31 and 477,496.73 is: 658,945.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,904.73 : 1,214,269.31 = 477,496.73 : x
  2. Step 2: Convert to fraction form
    879,904.73/1,214,269.31 = 477,496.73/x
  3. Step 3: Cross multiply
    879,904.73x = 1,214,269.31 × 477,496.73
  4. Step 4: Simplify right side
    879,904.73x = 579,809,624,864.36
  5. Step 5: Solve for x
    x = 579,809,624,864.36/879,904.73
  6. Step 6: Final answer
    x = 658,945.91

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Double scale
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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.