Home / 827,403.13-1,141,809.53-464,819.36

Finding the Fourth Proportional to 827,403.13, 1,141,809.53 and 464,819.36

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Solution

The fourth proportional to 827,403.13, 1,141,809.53 and 464,819.36 is: 641,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,403.13 : 1,141,809.53 = 464,819.36 : x
  2. Step 2: Convert to fraction form
    827,403.13/1,141,809.53 = 464,819.36/x
  3. Step 3: Cross multiply
    827,403.13x = 1,141,809.53 × 464,819.36
  4. Step 4: Simplify right side
    827,403.13x = 530,735,170,429.50
  5. Step 5: Solve for x
    x = 530,735,170,429.50/827,403.13
  6. Step 6: Final answer
    x = 641,446.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.