Home / 1,719,039-2,578,272.52-520,676.40

Finding the Fourth Proportional to 1,719,039, 2,578,272.52 and 520,676.40

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Solution

The fourth proportional to 1,719,039, 2,578,272.52 and 520,676.40 is: 780,927.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,039 : 2,578,272.52 = 520,676.40 : x
  2. Step 2: Convert to fraction form
    1,719,039/2,578,272.52 = 520,676.40/x
  3. Step 3: Cross multiply
    1,719,039x = 2,578,272.52 × 520,676.40
  4. Step 4: Simplify right side
    1,719,039x = 1,342,445,653,932.53
  5. Step 5: Solve for x
    x = 1,342,445,653,932.53/1,719,039
  6. Step 6: Final answer
    x = 780,927.98

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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.