Home / 980,971.50-1,469,321.28-474,464.13

Finding the Fourth Proportional to 980,971.50, 1,469,321.28 and 474,464.13

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Solution

The fourth proportional to 980,971.50, 1,469,321.28 and 474,464.13 is: 710,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,971.50 : 1,469,321.28 = 474,464.13 : x
  2. Step 2: Convert to fraction form
    980,971.50/1,469,321.28 = 474,464.13/x
  3. Step 3: Cross multiply
    980,971.50x = 1,469,321.28 × 474,464.13
  4. Step 4: Simplify right side
    980,971.50x = 697,140,242,805.69
  5. Step 5: Solve for x
    x = 697,140,242,805.69/980,971.50
  6. Step 6: Final answer
    x = 710,663.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.