Home / 898,982.90-1,240,634.12-517,010

Finding the Fourth Proportional to 898,982.90, 1,240,634.12 and 517,010

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Solution

The fourth proportional to 898,982.90, 1,240,634.12 and 517,010 is: 713,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,982.90 : 1,240,634.12 = 517,010 : x
  2. Step 2: Convert to fraction form
    898,982.90/1,240,634.12 = 517,010/x
  3. Step 3: Cross multiply
    898,982.90x = 1,240,634.12 × 517,010
  4. Step 4: Simplify right side
    898,982.90x = 641,420,246,381.20
  5. Step 5: Solve for x
    x = 641,420,246,381.20/898,982.90
  6. Step 6: Final answer
    x = 713,495.49

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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.