Home / 1,390,564.20-2,085,846.30-444,004.20

Finding the Fourth Proportional to 1,390,564.20, 2,085,846.30 and 444,004.20

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Solution

The fourth proportional to 1,390,564.20, 2,085,846.30 and 444,004.20 is: 666,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,564.20 : 2,085,846.30 = 444,004.20 : x
  2. Step 2: Convert to fraction form
    1,390,564.20/2,085,846.30 = 444,004.20/x
  3. Step 3: Cross multiply
    1,390,564.20x = 2,085,846.30 × 444,004.20
  4. Step 4: Simplify right side
    1,390,564.20x = 926,124,517,754.46
  5. Step 5: Solve for x
    x = 926,124,517,754.46/1,390,564.20
  6. Step 6: Final answer
    x = 666,006.30

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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.