Home / 719,004.75-992,247.29-396,735.58

Finding the Fourth Proportional to 719,004.75, 992,247.29 and 396,735.58

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Solution

The fourth proportional to 719,004.75, 992,247.29 and 396,735.58 is: 547,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,004.75 : 992,247.29 = 396,735.58 : x
  2. Step 2: Convert to fraction form
    719,004.75/992,247.29 = 396,735.58/x
  3. Step 3: Cross multiply
    719,004.75x = 992,247.29 × 396,735.58
  4. Step 4: Simplify right side
    719,004.75x = 393,659,804,101.58
  5. Step 5: Solve for x
    x = 393,659,804,101.58/719,004.75
  6. Step 6: Final answer
    x = 547,506.54

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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.