Home / 712,027.40-1,067,177.10-411,931.40

Finding the Fourth Proportional to 712,027.40, 1,067,177.10 and 411,931.40

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Solution

The fourth proportional to 712,027.40, 1,067,177.10 and 411,931.40 is: 617,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,027.40 : 1,067,177.10 = 411,931.40 : x
  2. Step 2: Convert to fraction form
    712,027.40/1,067,177.10 = 411,931.40/x
  3. Step 3: Cross multiply
    712,027.40x = 1,067,177.10 × 411,931.40
  4. Step 4: Simplify right side
    712,027.40x = 439,603,756,850.94
  5. Step 5: Solve for x
    x = 439,603,756,850.94/712,027.40
  6. Step 6: Final answer
    x = 617,397.25

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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.