Home / 1,959,611.28-2,939,417.12-611,889.36

Finding the Fourth Proportional to 1,959,611.28, 2,939,417.12 and 611,889.36

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Solution

The fourth proportional to 1,959,611.28, 2,939,417.12 and 611,889.36 is: 917,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,611.28 : 2,939,417.12 = 611,889.36 : x
  2. Step 2: Convert to fraction form
    1,959,611.28/2,939,417.12 = 611,889.36/x
  3. Step 3: Cross multiply
    1,959,611.28x = 2,939,417.12 × 611,889.36
  4. Step 4: Simplify right side
    1,959,611.28x = 1,798,598,060,329.84
  5. Step 5: Solve for x
    x = 1,798,598,060,329.84/1,959,611.28
  6. Step 6: Final answer
    x = 917,834.10

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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.