Home / 719,128.44-992,453.34-413,311.58

Finding the Fourth Proportional to 719,128.44, 992,453.34 and 413,311.58

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Solution

The fourth proportional to 719,128.44, 992,453.34 and 413,311.58 is: 570,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,128.44 : 992,453.34 = 413,311.58 : x
  2. Step 2: Convert to fraction form
    719,128.44/992,453.34 = 413,311.58/x
  3. Step 3: Cross multiply
    719,128.44x = 992,453.34 × 413,311.58
  4. Step 4: Simplify right side
    719,128.44x = 410,192,458,341.03
  5. Step 5: Solve for x
    x = 410,192,458,341.03/719,128.44
  6. Step 6: Final answer
    x = 570,402.22

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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.