Home / 631,494.04-871,435.92-345,024.04

Finding the Fourth Proportional to 631,494.04, 871,435.92 and 345,024.04

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Solution

The fourth proportional to 631,494.04, 871,435.92 and 345,024.04 is: 476,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,494.04 : 871,435.92 = 345,024.04 : x
  2. Step 2: Convert to fraction form
    631,494.04/871,435.92 = 345,024.04/x
  3. Step 3: Cross multiply
    631,494.04x = 871,435.92 × 345,024.04
  4. Step 4: Simplify right side
    631,494.04x = 300,666,341,719.52
  5. Step 5: Solve for x
    x = 300,666,341,719.52/631,494.04
  6. Step 6: Final answer
    x = 476,119.05

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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.