Home / 719,087.76-1,079,043.77-292,544.87

Finding the Fourth Proportional to 719,087.76, 1,079,043.77 and 292,544.87

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Solution

The fourth proportional to 719,087.76, 1,079,043.77 and 292,544.87 is: 438,984.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,087.76 : 1,079,043.77 = 292,544.87 : x
  2. Step 2: Convert to fraction form
    719,087.76/1,079,043.77 = 292,544.87/x
  3. Step 3: Cross multiply
    719,087.76x = 1,079,043.77 × 292,544.87
  4. Step 4: Simplify right side
    719,087.76x = 315,668,714,755.10
  5. Step 5: Solve for x
    x = 315,668,714,755.10/719,087.76
  6. Step 6: Final answer
    x = 438,984.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.