Home / 936,137.20-1,404,205.80-558,223.60

Finding the Fourth Proportional to 936,137.20, 1,404,205.80 and 558,223.60

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Solution

The fourth proportional to 936,137.20, 1,404,205.80 and 558,223.60 is: 837,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,137.20 : 1,404,205.80 = 558,223.60 : x
  2. Step 2: Convert to fraction form
    936,137.20/1,404,205.80 = 558,223.60/x
  3. Step 3: Cross multiply
    936,137.20x = 1,404,205.80 × 558,223.60
  4. Step 4: Simplify right side
    936,137.20x = 783,860,816,816.88
  5. Step 5: Solve for x
    x = 783,860,816,816.88/936,137.20
  6. Step 6: Final answer
    x = 837,335.40

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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.