Home / 1,395,383.40-2,093,228.70-509,111.40

Finding the Fourth Proportional to 1,395,383.40, 2,093,228.70 and 509,111.40

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Solution

The fourth proportional to 1,395,383.40, 2,093,228.70 and 509,111.40 is: 763,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,383.40 : 2,093,228.70 = 509,111.40 : x
  2. Step 2: Convert to fraction form
    1,395,383.40/2,093,228.70 = 509,111.40/x
  3. Step 3: Cross multiply
    1,395,383.40x = 2,093,228.70 × 509,111.40
  4. Step 4: Simplify right side
    1,395,383.40x = 1,065,686,593,977.18
  5. Step 5: Solve for x
    x = 1,065,686,593,977.18/1,395,383.40
  6. Step 6: Final answer
    x = 763,723.14

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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.