Home / 697,091.10-1,045,615.05-198,455.10

Finding the Fourth Proportional to 697,091.10, 1,045,615.05 and 198,455.10

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Solution

The fourth proportional to 697,091.10, 1,045,615.05 and 198,455.10 is: 297,676.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,091.10 : 1,045,615.05 = 198,455.10 : x
  2. Step 2: Convert to fraction form
    697,091.10/1,045,615.05 = 198,455.10/x
  3. Step 3: Cross multiply
    697,091.10x = 1,045,615.05 × 198,455.10
  4. Step 4: Simplify right side
    697,091.10x = 207,507,639,309.26
  5. Step 5: Solve for x
    x = 207,507,639,309.26/697,091.10
  6. Step 6: Final answer
    x = 297,676.50

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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.