Home / 633,045.12-949,567.44-212,319.60

Finding the Fourth Proportional to 633,045.12, 949,567.44 and 212,319.60

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Solution

The fourth proportional to 633,045.12, 949,567.44 and 212,319.60 is: 318,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,045.12 : 949,567.44 = 212,319.60 : x
  2. Step 2: Convert to fraction form
    633,045.12/949,567.44 = 212,319.60/x
  3. Step 3: Cross multiply
    633,045.12x = 949,567.44 × 212,319.60
  4. Step 4: Simplify right side
    633,045.12x = 201,611,779,033.82
  5. Step 5: Solve for x
    x = 201,611,779,033.82/633,045.12
  6. Step 6: Final answer
    x = 318,479.32

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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.