Home / 1,011,552.65-1,516,342.78-404,159.88

Finding the Fourth Proportional to 1,011,552.65, 1,516,342.78 and 404,159.88

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Solution

The fourth proportional to 1,011,552.65, 1,516,342.78 and 404,159.88 is: 605,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,552.65 : 1,516,342.78 = 404,159.88 : x
  2. Step 2: Convert to fraction form
    1,011,552.65/1,516,342.78 = 404,159.88/x
  3. Step 3: Cross multiply
    1,011,552.65x = 1,516,342.78 × 404,159.88
  4. Step 4: Simplify right side
    1,011,552.65x = 612,844,913,665.72
  5. Step 5: Solve for x
    x = 612,844,913,665.72/1,011,552.65
  6. Step 6: Final answer
    x = 605,845.79

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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.