Home / 874,985.48-1,313,902.13-540,154.56

Finding the Fourth Proportional to 874,985.48, 1,313,902.13 and 540,154.56

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Solution

The fourth proportional to 874,985.48, 1,313,902.13 and 540,154.56 is: 811,110.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,985.48 : 1,313,902.13 = 540,154.56 : x
  2. Step 2: Convert to fraction form
    874,985.48/1,313,902.13 = 540,154.56/x
  3. Step 3: Cross multiply
    874,985.48x = 1,313,902.13 × 540,154.56
  4. Step 4: Simplify right side
    874,985.48x = 709,710,224,212.44
  5. Step 5: Solve for x
    x = 709,710,224,212.44/874,985.48
  6. Step 6: Final answer
    x = 811,110.86

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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.