Home / 983,516.45-1,474,767.23-450,580.78

Finding the Fourth Proportional to 983,516.45, 1,474,767.23 and 450,580.78

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Solution

The fourth proportional to 983,516.45, 1,474,767.23 and 450,580.78 is: 675,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,516.45 : 1,474,767.23 = 450,580.78 : x
  2. Step 2: Convert to fraction form
    983,516.45/1,474,767.23 = 450,580.78/x
  3. Step 3: Cross multiply
    983,516.45x = 1,474,767.23 × 450,580.78
  4. Step 4: Simplify right side
    983,516.45x = 664,501,761,374.04
  5. Step 5: Solve for x
    x = 664,501,761,374.04/983,516.45
  6. Step 6: Final answer
    x = 675,638.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.