Home / 949,548.34-1,424,322.46-318,460.33

Finding the Fourth Proportional to 949,548.34, 1,424,322.46 and 318,460.33

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Solution

The fourth proportional to 949,548.34, 1,424,322.46 and 318,460.33 is: 477,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,548.34 : 1,424,322.46 = 318,460.33 : x
  2. Step 2: Convert to fraction form
    949,548.34/1,424,322.46 = 318,460.33/x
  3. Step 3: Cross multiply
    949,548.34x = 1,424,322.46 × 318,460.33
  4. Step 4: Simplify right side
    949,548.34x = 453,590,200,638.01
  5. Step 5: Solve for x
    x = 453,590,200,638.01/949,548.34
  6. Step 6: Final answer
    x = 477,690.48

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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.