Home / 1,197,537.81-1,652,355.43-688,141.77

Finding the Fourth Proportional to 1,197,537.81, 1,652,355.43 and 688,141.77

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Solution

The fourth proportional to 1,197,537.81, 1,652,355.43 and 688,141.77 is: 949,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,537.81 : 1,652,355.43 = 688,141.77 : x
  2. Step 2: Convert to fraction form
    1,197,537.81/1,652,355.43 = 688,141.77/x
  3. Step 3: Cross multiply
    1,197,537.81x = 1,652,355.43 × 688,141.77
  4. Step 4: Simplify right side
    1,197,537.81x = 1,137,054,790,269.31
  5. Step 5: Solve for x
    x = 1,137,054,790,269.31/1,197,537.81
  6. Step 6: Final answer
    x = 949,493.85

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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.