Home / 767,185.01-1,151,109.37-411,783.85

Finding the Fourth Proportional to 767,185.01, 1,151,109.37 and 411,783.85

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Solution

The fourth proportional to 767,185.01, 1,151,109.37 and 411,783.85 is: 617,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,185.01 : 1,151,109.37 = 411,783.85 : x
  2. Step 2: Convert to fraction form
    767,185.01/1,151,109.37 = 411,783.85/x
  3. Step 3: Cross multiply
    767,185.01x = 1,151,109.37 × 411,783.85
  4. Step 4: Simplify right side
    767,185.01x = 474,008,242,394.13
  5. Step 5: Solve for x
    x = 474,008,242,394.13/767,185.01
  6. Step 6: Final answer
    x = 617,853.89

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Double scale
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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.