Home / 719,552.16-992,983.46-397,262.88

Finding the Fourth Proportional to 719,552.16, 992,983.46 and 397,262.88

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Solution

The fourth proportional to 719,552.16, 992,983.46 and 397,262.88 is: 548,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,552.16 : 992,983.46 = 397,262.88 : x
  2. Step 2: Convert to fraction form
    719,552.16/992,983.46 = 397,262.88/x
  3. Step 3: Cross multiply
    719,552.16x = 992,983.46 × 397,262.88
  4. Step 4: Simplify right side
    719,552.16x = 394,475,467,125.65
  5. Step 5: Solve for x
    x = 394,475,467,125.65/719,552.16
  6. Step 6: Final answer
    x = 548,223.59

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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.