Home / 739,749.60-1,107,291.60-716,421.60

Finding the Fourth Proportional to 739,749.60, 1,107,291.60 and 716,421.60

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Solution

The fourth proportional to 739,749.60, 1,107,291.60 and 716,421.60 is: 1,072,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,749.60 : 1,107,291.60 = 716,421.60 : x
  2. Step 2: Convert to fraction form
    739,749.60/1,107,291.60 = 716,421.60/x
  3. Step 3: Cross multiply
    739,749.60x = 1,107,291.60 × 716,421.60
  4. Step 4: Simplify right side
    739,749.60x = 793,287,619,738.56
  5. Step 5: Solve for x
    x = 793,287,619,738.56/739,749.60
  6. Step 6: Final answer
    x = 1,072,373.16

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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.