Home / 492,729.48-679,966.83-266,374.98

Finding the Fourth Proportional to 492,729.48, 679,966.83 and 266,374.98

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Solution

The fourth proportional to 492,729.48, 679,966.83 and 266,374.98 is: 367,597.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,729.48 : 679,966.83 = 266,374.98 : x
  2. Step 2: Convert to fraction form
    492,729.48/679,966.83 = 266,374.98/x
  3. Step 3: Cross multiply
    492,729.48x = 679,966.83 × 266,374.98
  4. Step 4: Simplify right side
    492,729.48x = 181,126,150,741.91
  5. Step 5: Solve for x
    x = 181,126,150,741.91/492,729.48
  6. Step 6: Final answer
    x = 367,597.55

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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.