Home / 692,174.10-1,036,187.55-411,546.90

Finding the Fourth Proportional to 692,174.10, 1,036,187.55 and 411,546.90

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Solution

The fourth proportional to 692,174.10, 1,036,187.55 and 411,546.90 is: 616,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,174.10 : 1,036,187.55 = 411,546.90 : x
  2. Step 2: Convert to fraction form
    692,174.10/1,036,187.55 = 411,546.90/x
  3. Step 3: Cross multiply
    692,174.10x = 1,036,187.55 × 411,546.90
  4. Step 4: Simplify right side
    692,174.10x = 426,439,774,021.10
  5. Step 5: Solve for x
    x = 426,439,774,021.10/692,174.10
  6. Step 6: Final answer
    x = 616,087.45

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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.