Home / 397,365.03-548,347.06-225,294.57

Finding the Fourth Proportional to 397,365.03, 548,347.06 and 225,294.57

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Solution

The fourth proportional to 397,365.03, 548,347.06 and 225,294.57 is: 310,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,365.03 : 548,347.06 = 225,294.57 : x
  2. Step 2: Convert to fraction form
    397,365.03/548,347.06 = 225,294.57/x
  3. Step 3: Cross multiply
    397,365.03x = 548,347.06 × 225,294.57
  4. Step 4: Simplify right side
    397,365.03x = 123,539,613,373.55
  5. Step 5: Solve for x
    x = 123,539,613,373.55/397,365.03
  6. Step 6: Final answer
    x = 310,897.05

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1.5x scale

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.