Home / 811,185.31-1,119,415.17-448,599.52

Finding the Fourth Proportional to 811,185.31, 1,119,415.17 and 448,599.52

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Solution

The fourth proportional to 811,185.31, 1,119,415.17 and 448,599.52 is: 619,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,185.31 : 1,119,415.17 = 448,599.52 : x
  2. Step 2: Convert to fraction form
    811,185.31/1,119,415.17 = 448,599.52/x
  3. Step 3: Cross multiply
    811,185.31x = 1,119,415.17 × 448,599.52
  4. Step 4: Simplify right side
    811,185.31x = 502,169,107,942.72
  5. Step 5: Solve for x
    x = 502,169,107,942.72/811,185.31
  6. Step 6: Final answer
    x = 619,055.97

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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.