Home / 628,681.56-943,219.08-404,295.36

Finding the Fourth Proportional to 628,681.56, 943,219.08 and 404,295.36

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Solution

The fourth proportional to 628,681.56, 943,219.08 and 404,295.36 is: 606,569.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,681.56 : 943,219.08 = 404,295.36 : x
  2. Step 2: Convert to fraction form
    628,681.56/943,219.08 = 404,295.36/x
  3. Step 3: Cross multiply
    628,681.56x = 943,219.08 × 404,295.36
  4. Step 4: Simplify right side
    628,681.56x = 381,339,097,507.47
  5. Step 5: Solve for x
    x = 381,339,097,507.47/628,681.56
  6. Step 6: Final answer
    x = 606,569.56

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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.