Home / 1,343,062.62-1,853,426.70-731,215.43

Finding the Fourth Proportional to 1,343,062.62, 1,853,426.70 and 731,215.43

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Solution

The fourth proportional to 1,343,062.62, 1,853,426.70 and 731,215.43 is: 1,009,077.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,062.62 : 1,853,426.70 = 731,215.43 : x
  2. Step 2: Convert to fraction form
    1,343,062.62/1,853,426.70 = 731,215.43/x
  3. Step 3: Cross multiply
    1,343,062.62x = 1,853,426.70 × 731,215.43
  4. Step 4: Simplify right side
    1,343,062.62x = 1,355,254,196,355.14
  5. Step 5: Solve for x
    x = 1,355,254,196,355.14/1,343,062.62
  6. Step 6: Final answer
    x = 1,009,077.44

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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.