Home / 1,623,884.40-2,240,710.82-935,421.78

Finding the Fourth Proportional to 1,623,884.40, 2,240,710.82 and 935,421.78

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Solution

The fourth proportional to 1,623,884.40, 2,240,710.82 and 935,421.78 is: 1,290,738.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,884.40 : 2,240,710.82 = 935,421.78 : x
  2. Step 2: Convert to fraction form
    1,623,884.40/2,240,710.82 = 935,421.78/x
  3. Step 3: Cross multiply
    1,623,884.40x = 2,240,710.82 × 935,421.78
  4. Step 4: Simplify right side
    1,623,884.40x = 2,096,009,703,709.66
  5. Step 5: Solve for x
    x = 2,096,009,703,709.66/1,623,884.40
  6. Step 6: Final answer
    x = 1,290,738.25

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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.