Home / 692,185.85-1,036,205.18-411,558.65

Finding the Fourth Proportional to 692,185.85, 1,036,205.18 and 411,558.65

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Solution

The fourth proportional to 692,185.85, 1,036,205.18 and 411,558.65 is: 616,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,185.85 : 1,036,205.18 = 411,558.65 : x
  2. Step 2: Convert to fraction form
    692,185.85/1,036,205.18 = 411,558.65/x
  3. Step 3: Cross multiply
    692,185.85x = 1,036,205.18 × 411,558.65
  4. Step 4: Simplify right side
    692,185.85x = 426,459,202,946.01
  5. Step 5: Solve for x
    x = 426,459,202,946.01/692,185.85
  6. Step 6: Final answer
    x = 616,105.06

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Double scale
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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.