Home / 949,533.30-1,424,299.95-318,445.29

Finding the Fourth Proportional to 949,533.30, 1,424,299.95 and 318,445.29

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Solution

The fourth proportional to 949,533.30, 1,424,299.95 and 318,445.29 is: 477,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,533.30 : 1,424,299.95 = 318,445.29 : x
  2. Step 2: Convert to fraction form
    949,533.30/1,424,299.95 = 318,445.29/x
  3. Step 3: Cross multiply
    949,533.30x = 1,424,299.95 × 318,445.29
  4. Step 4: Simplify right side
    949,533.30x = 453,561,601,911.01
  5. Step 5: Solve for x
    x = 453,561,601,911.01/949,533.30
  6. Step 6: Final answer
    x = 477,667.93

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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.