Home / 760,824.75-1,049,930.64-411,963.51

Finding the Fourth Proportional to 760,824.75, 1,049,930.64 and 411,963.51

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Solution

The fourth proportional to 760,824.75, 1,049,930.64 and 411,963.51 is: 568,505.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,824.75 : 1,049,930.64 = 411,963.51 : x
  2. Step 2: Convert to fraction form
    760,824.75/1,049,930.64 = 411,963.51/x
  3. Step 3: Cross multiply
    760,824.75x = 1,049,930.64 × 411,963.51
  4. Step 4: Simplify right side
    760,824.75x = 432,533,111,710.95
  5. Step 5: Solve for x
    x = 432,533,111,710.95/760,824.75
  6. Step 6: Final answer
    x = 568,505.57

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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.