Home / 691,918.40-1,037,877.60-411,982.40

Finding the Fourth Proportional to 691,918.40, 1,037,877.60 and 411,982.40

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Solution

The fourth proportional to 691,918.40, 1,037,877.60 and 411,982.40 is: 617,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,918.40 : 1,037,877.60 = 411,982.40 : x
  2. Step 2: Convert to fraction form
    691,918.40/1,037,877.60 = 411,982.40/x
  3. Step 3: Cross multiply
    691,918.40x = 1,037,877.60 × 411,982.40
  4. Step 4: Simplify right side
    691,918.40x = 427,587,304,554.24
  5. Step 5: Solve for x
    x = 427,587,304,554.24/691,918.40
  6. Step 6: Final answer
    x = 617,973.60

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Similar ratio
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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.