Home / 437,631.40-656,447.10-367,647.40

Finding the Fourth Proportional to 437,631.40, 656,447.10 and 367,647.40

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Solution

The fourth proportional to 437,631.40, 656,447.10 and 367,647.40 is: 551,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,631.40 : 656,447.10 = 367,647.40 : x
  2. Step 2: Convert to fraction form
    437,631.40/656,447.10 = 367,647.40/x
  3. Step 3: Cross multiply
    437,631.40x = 656,447.10 × 367,647.40
  4. Step 4: Simplify right side
    437,631.40x = 241,341,069,552.54
  5. Step 5: Solve for x
    x = 241,341,069,552.54/437,631.40
  6. Step 6: Final answer
    x = 551,471.10

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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.