Home / 756,370.60-1,134,555.90-476,434.60

Finding the Fourth Proportional to 756,370.60, 1,134,555.90 and 476,434.60

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Solution

The fourth proportional to 756,370.60, 1,134,555.90 and 476,434.60 is: 714,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,370.60 : 1,134,555.90 = 476,434.60 : x
  2. Step 2: Convert to fraction form
    756,370.60/1,134,555.90 = 476,434.60/x
  3. Step 3: Cross multiply
    756,370.60x = 1,134,555.90 × 476,434.60
  4. Step 4: Simplify right side
    756,370.60x = 540,541,686,394.14
  5. Step 5: Solve for x
    x = 540,541,686,394.14/756,370.60
  6. Step 6: Final answer
    x = 714,651.90

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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.