Home / 734,635.90-1,013,719.74-412,381.45

Finding the Fourth Proportional to 734,635.90, 1,013,719.74 and 412,381.45

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Solution

The fourth proportional to 734,635.90, 1,013,719.74 and 412,381.45 is: 569,042.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,635.90 : 1,013,719.74 = 412,381.45 : x
  2. Step 2: Convert to fraction form
    734,635.90/1,013,719.74 = 412,381.45/x
  3. Step 3: Cross multiply
    734,635.90x = 1,013,719.74 × 412,381.45
  4. Step 4: Simplify right side
    734,635.90x = 418,039,216,274.82
  5. Step 5: Solve for x
    x = 418,039,216,274.82/734,635.90
  6. Step 6: Final answer
    x = 569,042.73

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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.