Home / 874,983.23-1,313,898.75-540,152.31

Finding the Fourth Proportional to 874,983.23, 1,313,898.75 and 540,152.31

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Solution

The fourth proportional to 874,983.23, 1,313,898.75 and 540,152.31 is: 811,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,983.23 : 1,313,898.75 = 540,152.31 : x
  2. Step 2: Convert to fraction form
    874,983.23/1,313,898.75 = 540,152.31/x
  3. Step 3: Cross multiply
    874,983.23x = 1,313,898.75 × 540,152.31
  4. Step 4: Simplify right side
    874,983.23x = 709,705,444,918.61
  5. Step 5: Solve for x
    x = 709,705,444,918.61/874,983.23
  6. Step 6: Final answer
    x = 811,107.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.