Home / 911,430.40-1,367,145.60-246,582.40

Finding the Fourth Proportional to 911,430.40, 1,367,145.60 and 246,582.40

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Solution

The fourth proportional to 911,430.40, 1,367,145.60 and 246,582.40 is: 369,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,430.40 : 1,367,145.60 = 246,582.40 : x
  2. Step 2: Convert to fraction form
    911,430.40/1,367,145.60 = 246,582.40/x
  3. Step 3: Cross multiply
    911,430.40x = 1,367,145.60 × 246,582.40
  4. Step 4: Simplify right side
    911,430.40x = 337,114,043,197.44
  5. Step 5: Solve for x
    x = 337,114,043,197.44/911,430.40
  6. Step 6: Final answer
    x = 369,873.60

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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.