Home / 1,159,925.75-1,600,694.27-643,757.57

Finding the Fourth Proportional to 1,159,925.75, 1,600,694.27 and 643,757.57

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Solution

The fourth proportional to 1,159,925.75, 1,600,694.27 and 643,757.57 is: 888,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,925.75 : 1,600,694.27 = 643,757.57 : x
  2. Step 2: Convert to fraction form
    1,159,925.75/1,600,694.27 = 643,757.57/x
  3. Step 3: Cross multiply
    1,159,925.75x = 1,600,694.27 × 643,757.57
  4. Step 4: Simplify right side
    1,159,925.75x = 1,030,459,050,349.34
  5. Step 5: Solve for x
    x = 1,030,459,050,349.34/1,159,925.75
  6. Step 6: Final answer
    x = 888,383.63

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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.