Home / 851,503.56-1,174,635.16-529,091.16

Finding the Fourth Proportional to 851,503.56, 1,174,635.16 and 529,091.16

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Solution

The fourth proportional to 851,503.56, 1,174,635.16 and 529,091.16 is: 729,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,503.56 : 1,174,635.16 = 529,091.16 : x
  2. Step 2: Convert to fraction form
    851,503.56/1,174,635.16 = 529,091.16/x
  3. Step 3: Cross multiply
    851,503.56x = 1,174,635.16 × 529,091.16
  4. Step 4: Simplify right side
    851,503.56x = 621,489,079,381.19
  5. Step 5: Solve for x
    x = 621,489,079,381.19/851,503.56
  6. Step 6: Final answer
    x = 729,872.56

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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.