Home / 973,995.12-1,343,720.25-647,466.03

Finding the Fourth Proportional to 973,995.12, 1,343,720.25 and 647,466.03

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Solution

The fourth proportional to 973,995.12, 1,343,720.25 and 647,466.03 is: 893,241.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,995.12 : 1,343,720.25 = 647,466.03 : x
  2. Step 2: Convert to fraction form
    973,995.12/1,343,720.25 = 647,466.03/x
  3. Step 3: Cross multiply
    973,995.12x = 1,343,720.25 × 647,466.03
  4. Step 4: Simplify right side
    973,995.12x = 870,013,215,698.11
  5. Step 5: Solve for x
    x = 870,013,215,698.11/973,995.12
  6. Step 6: Final answer
    x = 893,241.86

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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.