Home / 905,133.57-1,248,945.60-523,086.63

Finding the Fourth Proportional to 905,133.57, 1,248,945.60 and 523,086.63

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Solution

The fourth proportional to 905,133.57, 1,248,945.60 and 523,086.63 is: 721,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,133.57 : 1,248,945.60 = 523,086.63 : x
  2. Step 2: Convert to fraction form
    905,133.57/1,248,945.60 = 523,086.63/x
  3. Step 3: Cross multiply
    905,133.57x = 1,248,945.60 × 523,086.63
  4. Step 4: Simplify right side
    905,133.57x = 653,306,744,957.33
  5. Step 5: Solve for x
    x = 653,306,744,957.33/905,133.57
  6. Step 6: Final answer
    x = 721,779.38

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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.