Home / 656,869.30-906,560.34-370,383.64

Finding the Fourth Proportional to 656,869.30, 906,560.34 and 370,383.64

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Solution

The fourth proportional to 656,869.30, 906,560.34 and 370,383.64 is: 511,174.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,869.30 : 906,560.34 = 370,383.64 : x
  2. Step 2: Convert to fraction form
    656,869.30/906,560.34 = 370,383.64/x
  3. Step 3: Cross multiply
    656,869.30x = 906,560.34 × 370,383.64
  4. Step 4: Simplify right side
    656,869.30x = 335,775,118,608.84
  5. Step 5: Solve for x
    x = 335,775,118,608.84/656,869.30
  6. Step 6: Final answer
    x = 511,174.93

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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.