Home / 1,281,536.90-1,768,501.46-700,761.88

Finding the Fourth Proportional to 1,281,536.90, 1,768,501.46 and 700,761.88

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Solution

The fourth proportional to 1,281,536.90, 1,768,501.46 and 700,761.88 is: 967,040.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,536.90 : 1,768,501.46 = 700,761.88 : x
  2. Step 2: Convert to fraction form
    1,281,536.90/1,768,501.46 = 700,761.88/x
  3. Step 3: Cross multiply
    1,281,536.90x = 1,768,501.46 × 700,761.88
  4. Step 4: Simplify right side
    1,281,536.90x = 1,239,298,407,892.34
  5. Step 5: Solve for x
    x = 1,239,298,407,892.34/1,281,536.90
  6. Step 6: Final answer
    x = 967,040.75

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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.