Home / 719,554.32-992,986.38-397,265.04

Finding the Fourth Proportional to 719,554.32, 992,986.38 and 397,265.04

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Solution

The fourth proportional to 719,554.32, 992,986.38 and 397,265.04 is: 548,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,554.32 : 992,986.38 = 397,265.04 : x
  2. Step 2: Convert to fraction form
    719,554.32/992,986.38 = 397,265.04/x
  3. Step 3: Cross multiply
    719,554.32x = 992,986.38 × 397,265.04
  4. Step 4: Simplify right side
    719,554.32x = 394,478,773,970.16
  5. Step 5: Solve for x
    x = 394,478,773,970.16/719,554.32
  6. Step 6: Final answer
    x = 548,226.54

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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.