Home / 813,527.34-1,122,288.03-511,887.66

Finding the Fourth Proportional to 813,527.34, 1,122,288.03 and 511,887.66

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Solution

The fourth proportional to 813,527.34, 1,122,288.03 and 511,887.66 is: 706,166.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,527.34 : 1,122,288.03 = 511,887.66 : x
  2. Step 2: Convert to fraction form
    813,527.34/1,122,288.03 = 511,887.66/x
  3. Step 3: Cross multiply
    813,527.34x = 1,122,288.03 × 511,887.66
  4. Step 4: Simplify right side
    813,527.34x = 574,485,393,522.71
  5. Step 5: Solve for x
    x = 574,485,393,522.71/813,527.34
  6. Step 6: Final answer
    x = 706,166.06

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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.