Home / 734,635.81-1,013,741.83-412,283.63

Finding the Fourth Proportional to 734,635.81, 1,013,741.83 and 412,283.63

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Solution

The fourth proportional to 734,635.81, 1,013,741.83 and 412,283.63 is: 568,920.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,635.81 : 1,013,741.83 = 412,283.63 : x
  2. Step 2: Convert to fraction form
    734,635.81/1,013,741.83 = 412,283.63/x
  3. Step 3: Cross multiply
    734,635.81x = 1,013,741.83 × 412,283.63
  4. Step 4: Simplify right side
    734,635.81x = 417,949,161,753.80
  5. Step 5: Solve for x
    x = 417,949,161,753.80/734,635.81
  6. Step 6: Final answer
    x = 568,920.21

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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.