Home / 1,067,410.40-1,600,977.36-402,476

Finding the Fourth Proportional to 1,067,410.40, 1,600,977.36 and 402,476

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Solution

The fourth proportional to 1,067,410.40, 1,600,977.36 and 402,476 is: 603,661.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,410.40 : 1,600,977.36 = 402,476 : x
  2. Step 2: Convert to fraction form
    1,067,410.40/1,600,977.36 = 402,476/x
  3. Step 3: Cross multiply
    1,067,410.40x = 1,600,977.36 × 402,476
  4. Step 4: Simplify right side
    1,067,410.40x = 644,354,963,943.36
  5. Step 5: Solve for x
    x = 644,354,963,943.36/1,067,410.40
  6. Step 6: Final answer
    x = 603,661.88

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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.