Home / 941,855.40-1,412,783.10-302,157.90

Finding the Fourth Proportional to 941,855.40, 1,412,783.10 and 302,157.90

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Solution

The fourth proportional to 941,855.40, 1,412,783.10 and 302,157.90 is: 453,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,855.40 : 1,412,783.10 = 302,157.90 : x
  2. Step 2: Convert to fraction form
    941,855.40/1,412,783.10 = 302,157.90/x
  3. Step 3: Cross multiply
    941,855.40x = 1,412,783.10 × 302,157.90
  4. Step 4: Simplify right side
    941,855.40x = 426,883,574,651.49
  5. Step 5: Solve for x
    x = 426,883,574,651.49/941,855.40
  6. Step 6: Final answer
    x = 453,236.85

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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.