Home / 1,261,813.60-1,741,329.12-688,877.92

Finding the Fourth Proportional to 1,261,813.60, 1,741,329.12 and 688,877.92

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Solution

The fourth proportional to 1,261,813.60, 1,741,329.12 and 688,877.92 is: 950,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,813.60 : 1,741,329.12 = 688,877.92 : x
  2. Step 2: Convert to fraction form
    1,261,813.60/1,741,329.12 = 688,877.92/x
  3. Step 3: Cross multiply
    1,261,813.60x = 1,741,329.12 × 688,877.92
  4. Step 4: Simplify right side
    1,261,813.60x = 1,199,563,182,221.03
  5. Step 5: Solve for x
    x = 1,199,563,182,221.03/1,261,813.60
  6. Step 6: Final answer
    x = 950,665.92

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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.