Home / 1,159,895.49-1,600,652.50-643,727.31

Finding the Fourth Proportional to 1,159,895.49, 1,600,652.50 and 643,727.31

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Solution

The fourth proportional to 1,159,895.49, 1,600,652.50 and 643,727.31 is: 888,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,895.49 : 1,600,652.50 = 643,727.31 : x
  2. Step 2: Convert to fraction form
    1,159,895.49/1,600,652.50 = 643,727.31/x
  3. Step 3: Cross multiply
    1,159,895.49x = 1,600,652.50 × 643,727.31
  4. Step 4: Simplify right side
    1,159,895.49x = 1,030,383,728,069.78
  5. Step 5: Solve for x
    x = 1,030,383,728,069.78/1,159,895.49
  6. Step 6: Final answer
    x = 888,341.87

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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.