Home / 631,204.95-871,084.33-373,302.98

Finding the Fourth Proportional to 631,204.95, 871,084.33 and 373,302.98

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Solution

The fourth proportional to 631,204.95, 871,084.33 and 373,302.98 is: 515,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,204.95 : 871,084.33 = 373,302.98 : x
  2. Step 2: Convert to fraction form
    631,204.95/871,084.33 = 373,302.98/x
  3. Step 3: Cross multiply
    631,204.95x = 871,084.33 × 373,302.98
  4. Step 4: Simplify right side
    631,204.95x = 325,178,369,998.37
  5. Step 5: Solve for x
    x = 325,178,369,998.37/631,204.95
  6. Step 6: Final answer
    x = 515,170.82

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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.