Home / 511,948.10-706,628.90-297,157.37

Finding the Fourth Proportional to 511,948.10, 706,628.90 and 297,157.37

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Solution

The fourth proportional to 511,948.10, 706,628.90 and 297,157.37 is: 410,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,948.10 : 706,628.90 = 297,157.37 : x
  2. Step 2: Convert to fraction form
    511,948.10/706,628.90 = 297,157.37/x
  3. Step 3: Cross multiply
    511,948.10x = 706,628.90 × 297,157.37
  4. Step 4: Simplify right side
    511,948.10x = 209,979,980,471.06
  5. Step 5: Solve for x
    x = 209,979,980,471.06/511,948.10
  6. Step 6: Final answer
    x = 410,158.73

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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.