Home / 1,585,846.80-2,378,770.20-520,923.60

Finding the Fourth Proportional to 1,585,846.80, 2,378,770.20 and 520,923.60

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Solution

The fourth proportional to 1,585,846.80, 2,378,770.20 and 520,923.60 is: 781,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,846.80 : 2,378,770.20 = 520,923.60 : x
  2. Step 2: Convert to fraction form
    1,585,846.80/2,378,770.20 = 520,923.60/x
  3. Step 3: Cross multiply
    1,585,846.80x = 2,378,770.20 × 520,923.60
  4. Step 4: Simplify right side
    1,585,846.80x = 1,239,157,536,156.72
  5. Step 5: Solve for x
    x = 1,239,157,536,156.72/1,585,846.80
  6. Step 6: Final answer
    x = 781,385.40

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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.