Home / 826,878.70-1,240,318.05-295,000.30

Finding the Fourth Proportional to 826,878.70, 1,240,318.05 and 295,000.30

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Solution

The fourth proportional to 826,878.70, 1,240,318.05 and 295,000.30 is: 442,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,878.70 : 1,240,318.05 = 295,000.30 : x
  2. Step 2: Convert to fraction form
    826,878.70/1,240,318.05 = 295,000.30/x
  3. Step 3: Cross multiply
    826,878.70x = 1,240,318.05 × 295,000.30
  4. Step 4: Simplify right side
    826,878.70x = 365,894,196,845.42
  5. Step 5: Solve for x
    x = 365,894,196,845.42/826,878.70
  6. Step 6: Final answer
    x = 442,500.45

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Half scale
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Double scale
Find fourth proportional to 826,879.70, 1,240,319.55 and 295,001.30
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.