Home / 677,415.60-1,016,123.40-277,923.60

Finding the Fourth Proportional to 677,415.60, 1,016,123.40 and 277,923.60

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Solution

The fourth proportional to 677,415.60, 1,016,123.40 and 277,923.60 is: 416,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,415.60 : 1,016,123.40 = 277,923.60 : x
  2. Step 2: Convert to fraction form
    677,415.60/1,016,123.40 = 277,923.60/x
  3. Step 3: Cross multiply
    677,415.60x = 1,016,123.40 × 277,923.60
  4. Step 4: Simplify right side
    677,415.60x = 282,404,673,372.24
  5. Step 5: Solve for x
    x = 282,404,673,372.24/677,415.60
  6. Step 6: Final answer
    x = 416,885.40

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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.