Home / 734,555.70-1,013,785.78-412,283.43

Finding the Fourth Proportional to 734,555.70, 1,013,785.78 and 412,283.43

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Solution

The fourth proportional to 734,555.70, 1,013,785.78 and 412,283.43 is: 569,006.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,555.70 : 1,013,785.78 = 412,283.43 : x
  2. Step 2: Convert to fraction form
    734,555.70/1,013,785.78 = 412,283.43/x
  3. Step 3: Cross multiply
    734,555.70x = 1,013,785.78 × 412,283.43
  4. Step 4: Simplify right side
    734,555.70x = 417,967,078,663.63
  5. Step 5: Solve for x
    x = 417,967,078,663.63/734,555.70
  6. Step 6: Final answer
    x = 569,006.65

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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.