Home / 693,554.40-1,040,331.60-536,090.40

Finding the Fourth Proportional to 693,554.40, 1,040,331.60 and 536,090.40

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Solution

The fourth proportional to 693,554.40, 1,040,331.60 and 536,090.40 is: 804,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,554.40 : 1,040,331.60 = 536,090.40 : x
  2. Step 2: Convert to fraction form
    693,554.40/1,040,331.60 = 536,090.40/x
  3. Step 3: Cross multiply
    693,554.40x = 1,040,331.60 × 536,090.40
  4. Step 4: Simplify right side
    693,554.40x = 557,711,783,576.64
  5. Step 5: Solve for x
    x = 557,711,783,576.64/693,554.40
  6. Step 6: Final answer
    x = 804,135.60

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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.