Home / 478,017.27-716,501.03-162,236.34

Finding the Fourth Proportional to 478,017.27, 716,501.03 and 162,236.34

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Solution

The fourth proportional to 478,017.27, 716,501.03 and 162,236.34 is: 243,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,017.27 : 716,501.03 = 162,236.34 : x
  2. Step 2: Convert to fraction form
    478,017.27/716,501.03 = 162,236.34/x
  3. Step 3: Cross multiply
    478,017.27x = 716,501.03 × 162,236.34
  4. Step 4: Simplify right side
    478,017.27x = 116,242,503,902.25
  5. Step 5: Solve for x
    x = 116,242,503,902.25/478,017.27
  6. Step 6: Final answer
    x = 243,176.37

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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.