Home / 719,435.95-992,821.79-397,146.27

Finding the Fourth Proportional to 719,435.95, 992,821.79 and 397,146.27

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Solution

The fourth proportional to 719,435.95, 992,821.79 and 397,146.27 is: 548,061.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,435.95 : 992,821.79 = 397,146.27 : x
  2. Step 2: Convert to fraction form
    719,435.95/992,821.79 = 397,146.27/x
  3. Step 3: Cross multiply
    719,435.95x = 992,821.79 × 397,146.27
  4. Step 4: Simplify right side
    719,435.95x = 394,295,470,673.22
  5. Step 5: Solve for x
    x = 394,295,470,673.22/719,435.95
  6. Step 6: Final answer
    x = 548,061.95

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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.