Home / 1,072,543.81-1,608,791.10-539,921.83

Finding the Fourth Proportional to 1,072,543.81, 1,608,791.10 and 539,921.83

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Solution

The fourth proportional to 1,072,543.81, 1,608,791.10 and 539,921.83 is: 809,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,543.81 : 1,608,791.10 = 539,921.83 : x
  2. Step 2: Convert to fraction form
    1,072,543.81/1,608,791.10 = 539,921.83/x
  3. Step 3: Cross multiply
    1,072,543.81x = 1,608,791.10 × 539,921.83
  4. Step 4: Simplify right side
    1,072,543.81x = 868,621,434,799.71
  5. Step 5: Solve for x
    x = 868,621,434,799.71/1,072,543.81
  6. Step 6: Final answer
    x = 809,870.35

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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.