Home / 1,239,300.70-1,709,270.80-896,422.84

Finding the Fourth Proportional to 1,239,300.70, 1,709,270.80 and 896,422.84

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Solution

The fourth proportional to 1,239,300.70, 1,709,270.80 and 896,422.84 is: 1,236,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,300.70 : 1,709,270.80 = 896,422.84 : x
  2. Step 2: Convert to fraction form
    1,239,300.70/1,709,270.80 = 896,422.84/x
  3. Step 3: Cross multiply
    1,239,300.70x = 1,709,270.80 × 896,422.84
  4. Step 4: Simplify right side
    1,239,300.70x = 1,532,229,384,865.07
  5. Step 5: Solve for x
    x = 1,532,229,384,865.07/1,239,300.70
  6. Step 6: Final answer
    x = 1,236,366.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.