Home / 1,006,463.48-1,388,940.78-553,755.32

Finding the Fourth Proportional to 1,006,463.48, 1,388,940.78 and 553,755.32

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Solution

The fourth proportional to 1,006,463.48, 1,388,940.78 and 553,755.32 is: 764,193.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,463.48 : 1,388,940.78 = 553,755.32 : x
  2. Step 2: Convert to fraction form
    1,006,463.48/1,388,940.78 = 553,755.32/x
  3. Step 3: Cross multiply
    1,006,463.48x = 1,388,940.78 × 553,755.32
  4. Step 4: Simplify right side
    1,006,463.48x = 769,133,346,089.95
  5. Step 5: Solve for x
    x = 769,133,346,089.95/1,006,463.48
  6. Step 6: Final answer
    x = 764,193.99

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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.