Home / 756,555.52-1,044,039.68-412,391.36

Finding the Fourth Proportional to 756,555.52, 1,044,039.68 and 412,391.36

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Solution

The fourth proportional to 756,555.52, 1,044,039.68 and 412,391.36 is: 569,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,555.52 : 1,044,039.68 = 412,391.36 : x
  2. Step 2: Convert to fraction form
    756,555.52/1,044,039.68 = 412,391.36/x
  3. Step 3: Cross multiply
    756,555.52x = 1,044,039.68 × 412,391.36
  4. Step 4: Simplify right side
    756,555.52x = 430,552,943,529.17
  5. Step 5: Solve for x
    x = 430,552,943,529.17/756,555.52
  6. Step 6: Final answer
    x = 569,096.30

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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.