Home / 1,000,589.40-1,380,787.95-559,067.58

Finding the Fourth Proportional to 1,000,589.40, 1,380,787.95 and 559,067.58

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Solution

The fourth proportional to 1,000,589.40, 1,380,787.95 and 559,067.58 is: 771,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,589.40 : 1,380,787.95 = 559,067.58 : x
  2. Step 2: Convert to fraction form
    1,000,589.40/1,380,787.95 = 559,067.58/x
  3. Step 3: Cross multiply
    1,000,589.40x = 1,380,787.95 × 559,067.58
  4. Step 4: Simplify right side
    1,000,589.40x = 771,953,777,699.66
  5. Step 5: Solve for x
    x = 771,953,777,699.66/1,000,589.40
  6. Step 6: Final answer
    x = 771,499.06

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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.