Home / 949,548.84-1,424,323.22-318,460.83

Finding the Fourth Proportional to 949,548.84, 1,424,323.22 and 318,460.83

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Solution

The fourth proportional to 949,548.84, 1,424,323.22 and 318,460.83 is: 477,691.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,548.84 : 1,424,323.22 = 318,460.83 : x
  2. Step 2: Convert to fraction form
    949,548.84/1,424,323.22 = 318,460.83/x
  3. Step 3: Cross multiply
    949,548.84x = 1,424,323.22 × 318,460.83
  4. Step 4: Simplify right side
    949,548.84x = 453,591,153,237.17
  5. Step 5: Solve for x
    x = 453,591,153,237.17/949,548.84
  6. Step 6: Final answer
    x = 477,691.23

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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.