Home / 1,119,709.17-1,545,199.11-636,274.80

Finding the Fourth Proportional to 1,119,709.17, 1,545,199.11 and 636,274.80

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Solution

The fourth proportional to 1,119,709.17, 1,545,199.11 and 636,274.80 is: 878,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,709.17 : 1,545,199.11 = 636,274.80 : x
  2. Step 2: Convert to fraction form
    1,119,709.17/1,545,199.11 = 636,274.80/x
  3. Step 3: Cross multiply
    1,119,709.17x = 1,545,199.11 × 636,274.80
  4. Step 4: Simplify right side
    1,119,709.17x = 983,171,254,675.43
  5. Step 5: Solve for x
    x = 983,171,254,675.43/1,119,709.17
  6. Step 6: Final answer
    x = 878,059.48

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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.