Home / 930,555.20-1,284,015.18-581,654.34

Finding the Fourth Proportional to 930,555.20, 1,284,015.18 and 581,654.34

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Solution

The fourth proportional to 930,555.20, 1,284,015.18 and 581,654.34 is: 802,588.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,555.20 : 1,284,015.18 = 581,654.34 : x
  2. Step 2: Convert to fraction form
    930,555.20/1,284,015.18 = 581,654.34/x
  3. Step 3: Cross multiply
    930,555.20x = 1,284,015.18 × 581,654.34
  4. Step 4: Simplify right side
    930,555.20x = 746,853,002,072.88
  5. Step 5: Solve for x
    x = 746,853,002,072.88/930,555.20
  6. Step 6: Final answer
    x = 802,588.61

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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.