Home / 749,409.22-1,034,122.32-422,704.24

Finding the Fourth Proportional to 749,409.22, 1,034,122.32 and 422,704.24

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Solution

The fourth proportional to 749,409.22, 1,034,122.32 and 422,704.24 is: 583,296.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,409.22 : 1,034,122.32 = 422,704.24 : x
  2. Step 2: Convert to fraction form
    749,409.22/1,034,122.32 = 422,704.24/x
  3. Step 3: Cross multiply
    749,409.22x = 1,034,122.32 × 422,704.24
  4. Step 4: Simplify right side
    749,409.22x = 437,127,889,342.64
  5. Step 5: Solve for x
    x = 437,127,889,342.64/749,409.22
  6. Step 6: Final answer
    x = 583,296.65

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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.