Home / 1,176,436.96-1,764,655.76-289,972.96

Finding the Fourth Proportional to 1,176,436.96, 1,764,655.76 and 289,972.96

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Solution

The fourth proportional to 1,176,436.96, 1,764,655.76 and 289,972.96 is: 434,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,436.96 : 1,764,655.76 = 289,972.96 : x
  2. Step 2: Convert to fraction form
    1,176,436.96/1,764,655.76 = 289,972.96/x
  3. Step 3: Cross multiply
    1,176,436.96x = 1,764,655.76 × 289,972.96
  4. Step 4: Simplify right side
    1,176,436.96x = 511,702,454,108.25
  5. Step 5: Solve for x
    x = 511,702,454,108.25/1,176,436.96
  6. Step 6: Final answer
    x = 434,959.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.