Home / 734,785.57-1,013,995.18-412,487.38

Finding the Fourth Proportional to 734,785.57, 1,013,995.18 and 412,487.38

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Solution

The fourth proportional to 734,785.57, 1,013,995.18 and 412,487.38 is: 569,227.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,785.57 : 1,013,995.18 = 412,487.38 : x
  2. Step 2: Convert to fraction form
    734,785.57/1,013,995.18 = 412,487.38/x
  3. Step 3: Cross multiply
    734,785.57x = 1,013,995.18 × 412,487.38
  4. Step 4: Simplify right side
    734,785.57x = 418,260,213,111.45
  5. Step 5: Solve for x
    x = 418,260,213,111.45/734,785.57
  6. Step 6: Final answer
    x = 569,227.58

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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.