Home / 863,018.12-1,191,005.34-481,047.68

Finding the Fourth Proportional to 863,018.12, 1,191,005.34 and 481,047.68

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Solution

The fourth proportional to 863,018.12, 1,191,005.34 and 481,047.68 is: 663,868.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,018.12 : 1,191,005.34 = 481,047.68 : x
  2. Step 2: Convert to fraction form
    863,018.12/1,191,005.34 = 481,047.68/x
  3. Step 3: Cross multiply
    863,018.12x = 1,191,005.34 × 481,047.68
  4. Step 4: Simplify right side
    863,018.12x = 572,930,355,674.61
  5. Step 5: Solve for x
    x = 572,930,355,674.61/863,018.12
  6. Step 6: Final answer
    x = 663,868.28

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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.