Home / 874,987.48-1,313,905.13-540,156.56

Finding the Fourth Proportional to 874,987.48, 1,313,905.13 and 540,156.56

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Solution

The fourth proportional to 874,987.48, 1,313,905.13 and 540,156.56 is: 811,113.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,987.48 : 1,313,905.13 = 540,156.56 : x
  2. Step 2: Convert to fraction form
    874,987.48/1,313,905.13 = 540,156.56/x
  3. Step 3: Cross multiply
    874,987.48x = 1,313,905.13 × 540,156.56
  4. Step 4: Simplify right side
    874,987.48x = 709,714,475,187.15
  5. Step 5: Solve for x
    x = 709,714,475,187.15/874,987.48
  6. Step 6: Final answer
    x = 811,113.86

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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.