Home / 1,578,000.20-2,367,000.30-440,760.20

Finding the Fourth Proportional to 1,578,000.20, 2,367,000.30 and 440,760.20

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Solution

The fourth proportional to 1,578,000.20, 2,367,000.30 and 440,760.20 is: 661,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,000.20 : 2,367,000.30 = 440,760.20 : x
  2. Step 2: Convert to fraction form
    1,578,000.20/2,367,000.30 = 440,760.20/x
  3. Step 3: Cross multiply
    1,578,000.20x = 2,367,000.30 × 440,760.20
  4. Step 4: Simplify right side
    1,578,000.20x = 1,043,279,525,628.06
  5. Step 5: Solve for x
    x = 1,043,279,525,628.06/1,578,000.20
  6. Step 6: Final answer
    x = 661,140.30

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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.