Home / 501,856.48-692,579.76-275,519.20

Finding the Fourth Proportional to 501,856.48, 692,579.76 and 275,519.20

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Solution

The fourth proportional to 501,856.48, 692,579.76 and 275,519.20 is: 380,226.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,856.48 : 692,579.76 = 275,519.20 : x
  2. Step 2: Convert to fraction form
    501,856.48/692,579.76 = 275,519.20/x
  3. Step 3: Cross multiply
    501,856.48x = 692,579.76 × 275,519.20
  4. Step 4: Simplify right side
    501,856.48x = 190,819,021,411.39
  5. Step 5: Solve for x
    x = 190,819,021,411.39/501,856.48
  6. Step 6: Final answer
    x = 380,226.28

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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.