Home / 827,404.13-1,141,810.91-464,820.36

Finding the Fourth Proportional to 827,404.13, 1,141,810.91 and 464,820.36

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Solution

The fourth proportional to 827,404.13, 1,141,810.91 and 464,820.36 is: 641,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,404.13 : 1,141,810.91 = 464,820.36 : x
  2. Step 2: Convert to fraction form
    827,404.13/1,141,810.91 = 464,820.36/x
  3. Step 3: Cross multiply
    827,404.13x = 1,141,810.91 × 464,820.36
  4. Step 4: Simplify right side
    827,404.13x = 530,736,958,238.13
  5. Step 5: Solve for x
    x = 530,736,958,238.13/827,404.13
  6. Step 6: Final answer
    x = 641,448.28

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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.