Home / 749,584.96-1,124,304.24-412,514.80

Finding the Fourth Proportional to 749,584.96, 1,124,304.24 and 412,514.80

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Solution

The fourth proportional to 749,584.96, 1,124,304.24 and 412,514.80 is: 618,731.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,584.96 : 1,124,304.24 = 412,514.80 : x
  2. Step 2: Convert to fraction form
    749,584.96/1,124,304.24 = 412,514.80/x
  3. Step 3: Cross multiply
    749,584.96x = 1,124,304.24 × 412,514.80
  4. Step 4: Simplify right side
    749,584.96x = 463,792,138,702.75
  5. Step 5: Solve for x
    x = 463,792,138,702.75/749,584.96
  6. Step 6: Final answer
    x = 618,731.92

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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.