Home / 554,320.97-764,962.94-299,672.16

Finding the Fourth Proportional to 554,320.97, 764,962.94 and 299,672.16

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Solution

The fourth proportional to 554,320.97, 764,962.94 and 299,672.16 is: 413,547.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,320.97 : 764,962.94 = 299,672.16 : x
  2. Step 2: Convert to fraction form
    554,320.97/764,962.94 = 299,672.16/x
  3. Step 3: Cross multiply
    554,320.97x = 764,962.94 × 299,672.16
  4. Step 4: Simplify right side
    554,320.97x = 229,238,092,744.66
  5. Step 5: Solve for x
    x = 229,238,092,744.66/554,320.97
  6. Step 6: Final answer
    x = 413,547.58

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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.