Home / 406,943.60-609,983.40-196,444.40

Finding the Fourth Proportional to 406,943.60, 609,983.40 and 196,444.40

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Solution

The fourth proportional to 406,943.60, 609,983.40 and 196,444.40 is: 294,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,943.60 : 609,983.40 = 196,444.40 : x
  2. Step 2: Convert to fraction form
    406,943.60/609,983.40 = 196,444.40/x
  3. Step 3: Cross multiply
    406,943.60x = 609,983.40 × 196,444.40
  4. Step 4: Simplify right side
    406,943.60x = 119,827,823,022.96
  5. Step 5: Solve for x
    x = 119,827,823,022.96/406,943.60
  6. Step 6: Final answer
    x = 294,458.06

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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.