Home / 406,746.46-609,325.54-193,210.52

Finding the Fourth Proportional to 406,746.46, 609,325.54 and 193,210.52

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Solution

The fourth proportional to 406,746.46, 609,325.54 and 193,210.52 is: 289,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,746.46 : 609,325.54 = 193,210.52 : x
  2. Step 2: Convert to fraction form
    406,746.46/609,325.54 = 193,210.52/x
  3. Step 3: Cross multiply
    406,746.46x = 609,325.54 × 193,210.52
  4. Step 4: Simplify right side
    406,746.46x = 117,728,100,903.03
  5. Step 5: Solve for x
    x = 117,728,100,903.03/406,746.46
  6. Step 6: Final answer
    x = 289,438.54

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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.