Home / 1,182,497.25-1,631,846.21-645,953.25

Finding the Fourth Proportional to 1,182,497.25, 1,631,846.21 and 645,953.25

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Solution

The fourth proportional to 1,182,497.25, 1,631,846.21 and 645,953.25 is: 891,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,497.25 : 1,631,846.21 = 645,953.25 : x
  2. Step 2: Convert to fraction form
    1,182,497.25/1,631,846.21 = 645,953.25/x
  3. Step 3: Cross multiply
    1,182,497.25x = 1,631,846.21 × 645,953.25
  4. Step 4: Simplify right side
    1,182,497.25x = 1,054,096,359,619.92
  5. Step 5: Solve for x
    x = 1,054,096,359,619.92/1,182,497.25
  6. Step 6: Final answer
    x = 891,415.49

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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.