Home / 1,017,620.34-1,526,462.64-511,905.24

Finding the Fourth Proportional to 1,017,620.34, 1,526,462.64 and 511,905.24

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Solution

The fourth proportional to 1,017,620.34, 1,526,462.64 and 511,905.24 is: 767,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,620.34 : 1,526,462.64 = 511,905.24 : x
  2. Step 2: Convert to fraction form
    1,017,620.34/1,526,462.64 = 511,905.24/x
  3. Step 3: Cross multiply
    1,017,620.34x = 1,526,462.64 × 511,905.24
  4. Step 4: Simplify right side
    1,017,620.34x = 781,404,224,080.23
  5. Step 5: Solve for x
    x = 781,404,224,080.23/1,017,620.34
  6. Step 6: Final answer
    x = 767,874.02

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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.