Home / 756,205.70-1,134,308.55-401,036.90

Finding the Fourth Proportional to 756,205.70, 1,134,308.55 and 401,036.90

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Solution

The fourth proportional to 756,205.70, 1,134,308.55 and 401,036.90 is: 601,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,205.70 : 1,134,308.55 = 401,036.90 : x
  2. Step 2: Convert to fraction form
    756,205.70/1,134,308.55 = 401,036.90/x
  3. Step 3: Cross multiply
    756,205.70x = 1,134,308.55 × 401,036.90
  4. Step 4: Simplify right side
    756,205.70x = 454,899,584,535.50
  5. Step 5: Solve for x
    x = 454,899,584,535.50/756,205.70
  6. Step 6: Final answer
    x = 601,555.35

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Half scale
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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.