Home / 1,204,046.40-1,805,428.08-405,062.40

Finding the Fourth Proportional to 1,204,046.40, 1,805,428.08 and 405,062.40

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Solution

The fourth proportional to 1,204,046.40, 1,805,428.08 and 405,062.40 is: 607,377.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,046.40 : 1,805,428.08 = 405,062.40 : x
  2. Step 2: Convert to fraction form
    1,204,046.40/1,805,428.08 = 405,062.40/x
  3. Step 3: Cross multiply
    1,204,046.40x = 1,805,428.08 × 405,062.40
  4. Step 4: Simplify right side
    1,204,046.40x = 731,311,031,112.19
  5. Step 5: Solve for x
    x = 731,311,031,112.19/1,204,046.40
  6. Step 6: Final answer
    x = 607,377.78

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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.