Home / 1,285,016.45-1,927,510.82-526,688.90

Finding the Fourth Proportional to 1,285,016.45, 1,927,510.82 and 526,688.90

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Solution

The fourth proportional to 1,285,016.45, 1,927,510.82 and 526,688.90 is: 790,027.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,016.45 : 1,927,510.82 = 526,688.90 : x
  2. Step 2: Convert to fraction form
    1,285,016.45/1,927,510.82 = 526,688.90/x
  3. Step 3: Cross multiply
    1,285,016.45x = 1,927,510.82 × 526,688.90
  4. Step 4: Simplify right side
    1,285,016.45x = 1,015,198,541,252.90
  5. Step 5: Solve for x
    x = 1,015,198,541,252.90/1,285,016.45
  6. Step 6: Final answer
    x = 790,027.66

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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.