Home / 756,430.80-1,133,609.40-534,555.60

Finding the Fourth Proportional to 756,430.80, 1,133,609.40 and 534,555.60

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Solution

The fourth proportional to 756,430.80, 1,133,609.40 and 534,555.60 is: 801,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,430.80 : 1,133,609.40 = 534,555.60 : x
  2. Step 2: Convert to fraction form
    756,430.80/1,133,609.40 = 534,555.60/x
  3. Step 3: Cross multiply
    756,430.80x = 1,133,609.40 × 534,555.60
  4. Step 4: Simplify right side
    756,430.80x = 605,977,252,982.64
  5. Step 5: Solve for x
    x = 605,977,252,982.64/756,430.80
  6. Step 6: Final answer
    x = 801,100.71

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.