Home / 516,335.04-774,491.04-142,361.28

Finding the Fourth Proportional to 516,335.04, 774,491.04 and 142,361.28

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Solution

The fourth proportional to 516,335.04, 774,491.04 and 142,361.28 is: 213,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,335.04 : 774,491.04 = 142,361.28 : x
  2. Step 2: Convert to fraction form
    516,335.04/774,491.04 = 142,361.28/x
  3. Step 3: Cross multiply
    516,335.04x = 774,491.04 × 142,361.28
  4. Step 4: Simplify right side
    516,335.04x = 110,257,535,802.93
  5. Step 5: Solve for x
    x = 110,257,535,802.93/516,335.04
  6. Step 6: Final answer
    x = 213,538.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.