Home / 406,022.49-609,030.38-317,350.53

Finding the Fourth Proportional to 406,022.49, 609,030.38 and 317,350.53

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Solution

The fourth proportional to 406,022.49, 609,030.38 and 317,350.53 is: 476,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,022.49 : 609,030.38 = 317,350.53 : x
  2. Step 2: Convert to fraction form
    406,022.49/609,030.38 = 317,350.53/x
  3. Step 3: Cross multiply
    406,022.49x = 609,030.38 × 317,350.53
  4. Step 4: Simplify right side
    406,022.49x = 193,276,112,292.35
  5. Step 5: Solve for x
    x = 193,276,112,292.35/406,022.49
  6. Step 6: Final answer
    x = 476,023.17

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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.