Home / 1,168,338.69-1,612,309.64-645,050.32

Finding the Fourth Proportional to 1,168,338.69, 1,612,309.64 and 645,050.32

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Solution

The fourth proportional to 1,168,338.69, 1,612,309.64 and 645,050.32 is: 890,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,338.69 : 1,612,309.64 = 645,050.32 : x
  2. Step 2: Convert to fraction form
    1,168,338.69/1,612,309.64 = 645,050.32/x
  3. Step 3: Cross multiply
    1,168,338.69x = 1,612,309.64 × 645,050.32
  4. Step 4: Simplify right side
    1,168,338.69x = 1,040,020,841,965.06
  5. Step 5: Solve for x
    x = 1,040,020,841,965.06/1,168,338.69
  6. Step 6: Final answer
    x = 890,170.68

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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.