Home / 785,013.11-1,083,313.98-440,863.54

Finding the Fourth Proportional to 785,013.11, 1,083,313.98 and 440,863.54

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Solution

The fourth proportional to 785,013.11, 1,083,313.98 and 440,863.54 is: 608,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,013.11 : 1,083,313.98 = 440,863.54 : x
  2. Step 2: Convert to fraction form
    785,013.11/1,083,313.98 = 440,863.54/x
  3. Step 3: Cross multiply
    785,013.11x = 1,083,313.98 × 440,863.54
  4. Step 4: Simplify right side
    785,013.11x = 477,593,639,114.40
  5. Step 5: Solve for x
    x = 477,593,639,114.40/785,013.11
  6. Step 6: Final answer
    x = 608,389.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.