Home / 802,182.47-1,106,963.75-439,534.13

Finding the Fourth Proportional to 802,182.47, 1,106,963.75 and 439,534.13

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Solution

The fourth proportional to 802,182.47, 1,106,963.75 and 439,534.13 is: 606,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,182.47 : 1,106,963.75 = 439,534.13 : x
  2. Step 2: Convert to fraction form
    802,182.47/1,106,963.75 = 439,534.13/x
  3. Step 3: Cross multiply
    802,182.47x = 1,106,963.75 × 439,534.13
  4. Step 4: Simplify right side
    802,182.47x = 486,548,344,361.80
  5. Step 5: Solve for x
    x = 486,548,344,361.80/802,182.47
  6. Step 6: Final answer
    x = 606,530.77

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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.