Home / 1,423,989.03-1,966,056.21-843,398.85

Finding the Fourth Proportional to 1,423,989.03, 1,966,056.21 and 843,398.85

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Solution

The fourth proportional to 1,423,989.03, 1,966,056.21 and 843,398.85 is: 1,164,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,989.03 : 1,966,056.21 = 843,398.85 : x
  2. Step 2: Convert to fraction form
    1,423,989.03/1,966,056.21 = 843,398.85/x
  3. Step 3: Cross multiply
    1,423,989.03x = 1,966,056.21 × 843,398.85
  4. Step 4: Simplify right side
    1,423,989.03x = 1,658,169,546,549.36
  5. Step 5: Solve for x
    x = 1,658,169,546,549.36/1,423,989.03
  6. Step 6: Final answer
    x = 1,164,453.88

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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.