Home / 1,443,208.64-1,991,598.12-798,628.40

Finding the Fourth Proportional to 1,443,208.64, 1,991,598.12 and 798,628.40

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Solution

The fourth proportional to 1,443,208.64, 1,991,598.12 and 798,628.40 is: 1,102,090.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,208.64 : 1,991,598.12 = 798,628.40 : x
  2. Step 2: Convert to fraction form
    1,443,208.64/1,991,598.12 = 798,628.40/x
  3. Step 3: Cross multiply
    1,443,208.64x = 1,991,598.12 × 798,628.40
  4. Step 4: Simplify right side
    1,443,208.64x = 1,590,546,820,018.61
  5. Step 5: Solve for x
    x = 1,590,546,820,018.61/1,443,208.64
  6. Step 6: Final answer
    x = 1,102,090.70

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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.