Home / 484,971.31-669,210.17-298,673.30

Finding the Fourth Proportional to 484,971.31, 669,210.17 and 298,673.30

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Solution

The fourth proportional to 484,971.31, 669,210.17 and 298,673.30 is: 412,138.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,971.31 : 669,210.17 = 298,673.30 : x
  2. Step 2: Convert to fraction form
    484,971.31/669,210.17 = 298,673.30/x
  3. Step 3: Cross multiply
    484,971.31x = 669,210.17 × 298,673.30
  4. Step 4: Simplify right side
    484,971.31x = 199,875,209,867.46
  5. Step 5: Solve for x
    x = 199,875,209,867.46/484,971.31
  6. Step 6: Final answer
    x = 412,138.21

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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.