Home / 1,285,272.56-1,927,464.06-526,898.72

Finding the Fourth Proportional to 1,285,272.56, 1,927,464.06 and 526,898.72

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Solution

The fourth proportional to 1,285,272.56, 1,927,464.06 and 526,898.72 is: 790,165.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,272.56 : 1,927,464.06 = 526,898.72 : x
  2. Step 2: Convert to fraction form
    1,285,272.56/1,927,464.06 = 526,898.72/x
  3. Step 3: Cross multiply
    1,285,272.56x = 1,927,464.06 × 526,898.72
  4. Step 4: Simplify right side
    1,285,272.56x = 1,015,578,346,060.00
  5. Step 5: Solve for x
    x = 1,015,578,346,060.00/1,285,272.56
  6. Step 6: Final answer
    x = 790,165.74

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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.