Home / 712,235.70-1,067,835.15-291,294.90

Finding the Fourth Proportional to 712,235.70, 1,067,835.15 and 291,294.90

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Solution

The fourth proportional to 712,235.70, 1,067,835.15 and 291,294.90 is: 436,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,235.70 : 1,067,835.15 = 291,294.90 : x
  2. Step 2: Convert to fraction form
    712,235.70/1,067,835.15 = 291,294.90/x
  3. Step 3: Cross multiply
    712,235.70x = 1,067,835.15 × 291,294.90
  4. Step 4: Simplify right side
    712,235.70x = 311,054,933,235.74
  5. Step 5: Solve for x
    x = 311,054,933,235.74/712,235.70
  6. Step 6: Final answer
    x = 436,730.33

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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.