Home / 893,642.34-1,233,235.19-485,743.92

Finding the Fourth Proportional to 893,642.34, 1,233,235.19 and 485,743.92

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Solution

The fourth proportional to 893,642.34, 1,233,235.19 and 485,743.92 is: 670,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,642.34 : 1,233,235.19 = 485,743.92 : x
  2. Step 2: Convert to fraction form
    893,642.34/1,233,235.19 = 485,743.92/x
  3. Step 3: Cross multiply
    893,642.34x = 1,233,235.19 × 485,743.92
  4. Step 4: Simplify right side
    893,642.34x = 599,036,493,043.83
  5. Step 5: Solve for x
    x = 599,036,493,043.83/893,642.34
  6. Step 6: Final answer
    x = 670,331.37

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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.