Home / 1,927,077.40-2,889,935.70-664,611.40

Finding the Fourth Proportional to 1,927,077.40, 2,889,935.70 and 664,611.40

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Solution

The fourth proportional to 1,927,077.40, 2,889,935.70 and 664,611.40 is: 996,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,077.40 : 2,889,935.70 = 664,611.40 : x
  2. Step 2: Convert to fraction form
    1,927,077.40/2,889,935.70 = 664,611.40/x
  3. Step 3: Cross multiply
    1,927,077.40x = 2,889,935.70 × 664,611.40
  4. Step 4: Simplify right side
    1,927,077.40x = 1,920,684,211,486.98
  5. Step 5: Solve for x
    x = 1,920,684,211,486.98/1,927,077.40
  6. Step 6: Final answer
    x = 996,682.44

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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.