Home / 492,439.03-679,566.05-266,084.53

Finding the Fourth Proportional to 492,439.03, 679,566.05 and 266,084.53

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Solution

The fourth proportional to 492,439.03, 679,566.05 and 266,084.53 is: 367,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,439.03 : 679,566.05 = 266,084.53 : x
  2. Step 2: Convert to fraction form
    492,439.03/679,566.05 = 266,084.53/x
  3. Step 3: Cross multiply
    492,439.03x = 679,566.05 × 266,084.53
  4. Step 4: Simplify right side
    492,439.03x = 180,822,013,018.21
  5. Step 5: Solve for x
    x = 180,822,013,018.21/492,439.03
  6. Step 6: Final answer
    x = 367,196.75

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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.