Home / 895,403.40-1,343,105.10-264,316.20

Finding the Fourth Proportional to 895,403.40, 1,343,105.10 and 264,316.20

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Solution

The fourth proportional to 895,403.40, 1,343,105.10 and 264,316.20 is: 396,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,403.40 : 1,343,105.10 = 264,316.20 : x
  2. Step 2: Convert to fraction form
    895,403.40/1,343,105.10 = 264,316.20/x
  3. Step 3: Cross multiply
    895,403.40x = 1,343,105.10 × 264,316.20
  4. Step 4: Simplify right side
    895,403.40x = 355,004,436,232.62
  5. Step 5: Solve for x
    x = 355,004,436,232.62/895,403.40
  6. Step 6: Final answer
    x = 396,474.30

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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.