Home / 679,977.40-1,019,966.10-236,745.40

Finding the Fourth Proportional to 679,977.40, 1,019,966.10 and 236,745.40

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Solution

The fourth proportional to 679,977.40, 1,019,966.10 and 236,745.40 is: 355,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,977.40 : 1,019,966.10 = 236,745.40 : x
  2. Step 2: Convert to fraction form
    679,977.40/1,019,966.10 = 236,745.40/x
  3. Step 3: Cross multiply
    679,977.40x = 1,019,966.10 × 236,745.40
  4. Step 4: Simplify right side
    679,977.40x = 241,472,282,330.94
  5. Step 5: Solve for x
    x = 241,472,282,330.94/679,977.40
  6. Step 6: Final answer
    x = 355,118.10

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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.