Home / 1,154,813.76-1,593,614.88-645,576

Finding the Fourth Proportional to 1,154,813.76, 1,593,614.88 and 645,576

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Solution

The fourth proportional to 1,154,813.76, 1,593,614.88 and 645,576 is: 890,879.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,813.76 : 1,593,614.88 = 645,576 : x
  2. Step 2: Convert to fraction form
    1,154,813.76/1,593,614.88 = 645,576/x
  3. Step 3: Cross multiply
    1,154,813.76x = 1,593,614.88 × 645,576
  4. Step 4: Simplify right side
    1,154,813.76x = 1,028,799,519,770.88
  5. Step 5: Solve for x
    x = 1,028,799,519,770.88/1,154,813.76
  6. Step 6: Final answer
    x = 890,879.17

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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.