Home / 916,401.92-1,374,158.97-537,446.75

Finding the Fourth Proportional to 916,401.92, 1,374,158.97 and 537,446.75

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Solution

The fourth proportional to 916,401.92, 1,374,158.97 and 537,446.75 is: 805,909.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,401.92 : 1,374,158.97 = 537,446.75 : x
  2. Step 2: Convert to fraction form
    916,401.92/1,374,158.97 = 537,446.75/x
  3. Step 3: Cross multiply
    916,401.92x = 1,374,158.97 × 537,446.75
  4. Step 4: Simplify right side
    916,401.92x = 738,537,265,539.05
  5. Step 5: Solve for x
    x = 738,537,265,539.05/916,401.92
  6. Step 6: Final answer
    x = 805,909.78

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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.