Home / 449,231.54-619,934.82-245,281.83

Finding the Fourth Proportional to 449,231.54, 619,934.82 and 245,281.83

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Solution

The fourth proportional to 449,231.54, 619,934.82 and 245,281.83 is: 338,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,231.54 : 619,934.82 = 245,281.83 : x
  2. Step 2: Convert to fraction form
    449,231.54/619,934.82 = 245,281.83/x
  3. Step 3: Cross multiply
    449,231.54x = 619,934.82 × 245,281.83
  4. Step 4: Simplify right side
    449,231.54x = 152,058,742,804.24
  5. Step 5: Solve for x
    x = 152,058,742,804.24/449,231.54
  6. Step 6: Final answer
    x = 338,486.35

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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.