Home / 1,227,000.45-1,840,500.68-479,046.45

Finding the Fourth Proportional to 1,227,000.45, 1,840,500.68 and 479,046.45

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Solution

The fourth proportional to 1,227,000.45, 1,840,500.68 and 479,046.45 is: 718,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,000.45 : 1,840,500.68 = 479,046.45 : x
  2. Step 2: Convert to fraction form
    1,227,000.45/1,840,500.68 = 479,046.45/x
  3. Step 3: Cross multiply
    1,227,000.45x = 1,840,500.68 × 479,046.45
  4. Step 4: Simplify right side
    1,227,000.45x = 881,685,314,581.35
  5. Step 5: Solve for x
    x = 881,685,314,581.35/1,227,000.45
  6. Step 6: Final answer
    x = 718,569.68

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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.