Home / 893,048.40-1,339,572.60-261,982.80

Finding the Fourth Proportional to 893,048.40, 1,339,572.60 and 261,982.80

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Solution

The fourth proportional to 893,048.40, 1,339,572.60 and 261,982.80 is: 392,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,048.40 : 1,339,572.60 = 261,982.80 : x
  2. Step 2: Convert to fraction form
    893,048.40/1,339,572.60 = 261,982.80/x
  3. Step 3: Cross multiply
    893,048.40x = 1,339,572.60 × 261,982.80
  4. Step 4: Simplify right side
    893,048.40x = 350,944,980,551.28
  5. Step 5: Solve for x
    x = 350,944,980,551.28/893,048.40
  6. Step 6: Final answer
    x = 392,974.20

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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.