Home / 719,056.24-992,296.58-396,766.25

Finding the Fourth Proportional to 719,056.24, 992,296.58 and 396,766.25

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Solution

The fourth proportional to 719,056.24, 992,296.58 and 396,766.25 is: 547,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,056.24 : 992,296.58 = 396,766.25 : x
  2. Step 2: Convert to fraction form
    719,056.24/992,296.58 = 396,766.25/x
  3. Step 3: Cross multiply
    719,056.24x = 992,296.58 × 396,766.25
  4. Step 4: Simplify right side
    719,056.24x = 393,709,789,710.22
  5. Step 5: Solve for x
    x = 393,709,789,710.22/719,056.24
  6. Step 6: Final answer
    x = 547,536.85

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Double scale
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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.