Home / 523,938.75-723,035.48-285,474.75

Finding the Fourth Proportional to 523,938.75, 723,035.48 and 285,474.75

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Solution

The fourth proportional to 523,938.75, 723,035.48 and 285,474.75 is: 393,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,938.75 : 723,035.48 = 285,474.75 : x
  2. Step 2: Convert to fraction form
    523,938.75/723,035.48 = 285,474.75/x
  3. Step 3: Cross multiply
    523,938.75x = 723,035.48 × 285,474.75
  4. Step 4: Simplify right side
    523,938.75x = 206,408,371,466.76
  5. Step 5: Solve for x
    x = 206,408,371,466.76/523,938.75
  6. Step 6: Final answer
    x = 393,955.16

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1.5x scale

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.