Home / 734,018.10-1,103,979.60-657,254.40

Finding the Fourth Proportional to 734,018.10, 1,103,979.60 and 657,254.40

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Solution

The fourth proportional to 734,018.10, 1,103,979.60 and 657,254.40 is: 988,525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,018.10 : 1,103,979.60 = 657,254.40 : x
  2. Step 2: Convert to fraction form
    734,018.10/1,103,979.60 = 657,254.40/x
  3. Step 3: Cross multiply
    734,018.10x = 1,103,979.60 × 657,254.40
  4. Step 4: Simplify right side
    734,018.10x = 725,595,449,610.24
  5. Step 5: Solve for x
    x = 725,595,449,610.24/734,018.10
  6. Step 6: Final answer
    x = 988,525.28

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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.