Home / 907,653.87-1,252,552.01-499,747.19

Finding the Fourth Proportional to 907,653.87, 1,252,552.01 and 499,747.19

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Solution

The fourth proportional to 907,653.87, 1,252,552.01 and 499,747.19 is: 689,645.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,653.87 : 1,252,552.01 = 499,747.19 : x
  2. Step 2: Convert to fraction form
    907,653.87/1,252,552.01 = 499,747.19/x
  3. Step 3: Cross multiply
    907,653.87x = 1,252,552.01 × 499,747.19
  4. Step 4: Simplify right side
    907,653.87x = 625,959,338,564.86
  5. Step 5: Solve for x
    x = 625,959,338,564.86/907,653.87
  6. Step 6: Final answer
    x = 689,645.42

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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.