Home / 501,771.42-692,433-272,329.11

Finding the Fourth Proportional to 501,771.42, 692,433 and 272,329.11

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Solution

The fourth proportional to 501,771.42, 692,433 and 272,329.11 is: 375,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,771.42 : 692,433 = 272,329.11 : x
  2. Step 2: Convert to fraction form
    501,771.42/692,433 = 272,329.11/x
  3. Step 3: Cross multiply
    501,771.42x = 692,433 × 272,329.11
  4. Step 4: Simplify right side
    501,771.42x = 188,569,662,624.63
  5. Step 5: Solve for x
    x = 188,569,662,624.63/501,771.42
  6. Step 6: Final answer
    x = 375,807.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.