Home / 719,456.06-992,823.35-397,159.24

Finding the Fourth Proportional to 719,456.06, 992,823.35 and 397,159.24

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Solution

The fourth proportional to 719,456.06, 992,823.35 and 397,159.24 is: 548,065.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,456.06 : 992,823.35 = 397,159.24 : x
  2. Step 2: Convert to fraction form
    719,456.06/992,823.35 = 397,159.24/x
  3. Step 3: Cross multiply
    719,456.06x = 992,823.35 × 397,159.24
  4. Step 4: Simplify right side
    719,456.06x = 394,308,960,190.34
  5. Step 5: Solve for x
    x = 394,308,960,190.34/719,456.06
  6. Step 6: Final answer
    x = 548,065.38

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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.