Home / 1,421,602.57-1,961,539.39-809,741.93

Finding the Fourth Proportional to 1,421,602.57, 1,961,539.39 and 809,741.93

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Solution

The fourth proportional to 1,421,602.57, 1,961,539.39 and 809,741.93 is: 1,117,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,602.57 : 1,961,539.39 = 809,741.93 : x
  2. Step 2: Convert to fraction form
    1,421,602.57/1,961,539.39 = 809,741.93/x
  3. Step 3: Cross multiply
    1,421,602.57x = 1,961,539.39 × 809,741.93
  4. Step 4: Simplify right side
    1,421,602.57x = 1,588,340,695,945.16
  5. Step 5: Solve for x
    x = 1,588,340,695,945.16/1,421,602.57
  6. Step 6: Final answer
    x = 1,117,288.85

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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.