Home / 698,933.53-964,523.32-397,127.53

Finding the Fourth Proportional to 698,933.53, 964,523.32 and 397,127.53

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Solution

The fourth proportional to 698,933.53, 964,523.32 and 397,127.53 is: 548,033.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,933.53 : 964,523.32 = 397,127.53 : x
  2. Step 2: Convert to fraction form
    698,933.53/964,523.32 = 397,127.53/x
  3. Step 3: Cross multiply
    698,933.53x = 964,523.32 × 397,127.53
  4. Step 4: Simplify right side
    698,933.53x = 383,038,763,699.00
  5. Step 5: Solve for x
    x = 383,038,763,699.00/698,933.53
  6. Step 6: Final answer
    x = 548,033.18

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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.