Home / 1,252,415.45-1,728,333.95-679,455.47

Finding the Fourth Proportional to 1,252,415.45, 1,728,333.95 and 679,455.47

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Solution

The fourth proportional to 1,252,415.45, 1,728,333.95 and 679,455.47 is: 937,648.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,415.45 : 1,728,333.95 = 679,455.47 : x
  2. Step 2: Convert to fraction form
    1,252,415.45/1,728,333.95 = 679,455.47/x
  3. Step 3: Cross multiply
    1,252,415.45x = 1,728,333.95 × 679,455.47
  4. Step 4: Simplify right side
    1,252,415.45x = 1,174,325,944,275.26
  5. Step 5: Solve for x
    x = 1,174,325,944,275.26/1,252,415.45
  6. Step 6: Final answer
    x = 937,648.88

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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.