Home / 1,579,273.71-2,179,665.69-891,140.65

Finding the Fourth Proportional to 1,579,273.71, 2,179,665.69 and 891,140.65

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Solution

The fourth proportional to 1,579,273.71, 2,179,665.69 and 891,140.65 is: 1,229,925.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,273.71 : 2,179,665.69 = 891,140.65 : x
  2. Step 2: Convert to fraction form
    1,579,273.71/2,179,665.69 = 891,140.65/x
  3. Step 3: Cross multiply
    1,579,273.71x = 2,179,665.69 × 891,140.65
  4. Step 4: Simplify right side
    1,579,273.71x = 1,942,388,697,803.12
  5. Step 5: Solve for x
    x = 1,942,388,697,803.12/1,579,273.71
  6. Step 6: Final answer
    x = 1,229,925.31

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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.