Home / 953,410.44-1,427,938.38-455,124.36

Finding the Fourth Proportional to 953,410.44, 1,427,938.38 and 455,124.36

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Solution

The fourth proportional to 953,410.44, 1,427,938.38 and 455,124.36 is: 681,647.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,410.44 : 1,427,938.38 = 455,124.36 : x
  2. Step 2: Convert to fraction form
    953,410.44/1,427,938.38 = 455,124.36/x
  3. Step 3: Cross multiply
    953,410.44x = 1,427,938.38 × 455,124.36
  4. Step 4: Simplify right side
    953,410.44x = 649,889,541,316.94
  5. Step 5: Solve for x
    x = 649,889,541,316.94/953,410.44
  6. Step 6: Final answer
    x = 681,647.18

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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.