Home / 756,051.60-1,134,077.40-476,115.60

Finding the Fourth Proportional to 756,051.60, 1,134,077.40 and 476,115.60

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Solution

The fourth proportional to 756,051.60, 1,134,077.40 and 476,115.60 is: 714,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,051.60 : 1,134,077.40 = 476,115.60 : x
  2. Step 2: Convert to fraction form
    756,051.60/1,134,077.40 = 476,115.60/x
  3. Step 3: Cross multiply
    756,051.60x = 1,134,077.40 × 476,115.60
  4. Step 4: Simplify right side
    756,051.60x = 539,951,941,747.44
  5. Step 5: Solve for x
    x = 539,951,941,747.44/756,051.60
  6. Step 6: Final answer
    x = 714,173.40

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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.