Home / 946,910.40-1,420,365.60-473,424.90

Finding the Fourth Proportional to 946,910.40, 1,420,365.60 and 473,424.90

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Solution

The fourth proportional to 946,910.40, 1,420,365.60 and 473,424.90 is: 710,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,910.40 : 1,420,365.60 = 473,424.90 : x
  2. Step 2: Convert to fraction form
    946,910.40/1,420,365.60 = 473,424.90/x
  3. Step 3: Cross multiply
    946,910.40x = 1,420,365.60 × 473,424.90
  4. Step 4: Simplify right side
    946,910.40x = 672,436,442,143.44
  5. Step 5: Solve for x
    x = 672,436,442,143.44/946,910.40
  6. Step 6: Final answer
    x = 710,137.35

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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.