Home / 1,067,089.14-1,472,470.65-637,309.62

Finding the Fourth Proportional to 1,067,089.14, 1,472,470.65 and 637,309.62

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Solution

The fourth proportional to 1,067,089.14, 1,472,470.65 and 637,309.62 is: 879,420.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,089.14 : 1,472,470.65 = 637,309.62 : x
  2. Step 2: Convert to fraction form
    1,067,089.14/1,472,470.65 = 637,309.62/x
  3. Step 3: Cross multiply
    1,067,089.14x = 1,472,470.65 × 637,309.62
  4. Step 4: Simplify right side
    1,067,089.14x = 938,419,710,412.65
  5. Step 5: Solve for x
    x = 938,419,710,412.65/1,067,089.14
  6. Step 6: Final answer
    x = 879,420.17

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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.