Home / 494,837.10-742,255.65-437,756.40

Finding the Fourth Proportional to 494,837.10, 742,255.65 and 437,756.40

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Solution

The fourth proportional to 494,837.10, 742,255.65 and 437,756.40 is: 656,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,837.10 : 742,255.65 = 437,756.40 : x
  2. Step 2: Convert to fraction form
    494,837.10/742,255.65 = 437,756.40/x
  3. Step 3: Cross multiply
    494,837.10x = 742,255.65 × 437,756.40
  4. Step 4: Simplify right side
    494,837.10x = 324,927,161,223.66
  5. Step 5: Solve for x
    x = 324,927,161,223.66/494,837.10
  6. Step 6: Final answer
    x = 656,634.60

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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.