Home / 1,262,484.60-1,742,215.68-689,524.80

Finding the Fourth Proportional to 1,262,484.60, 1,742,215.68 and 689,524.80

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Solution

The fourth proportional to 1,262,484.60, 1,742,215.68 and 689,524.80 is: 951,537.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,484.60 : 1,742,215.68 = 689,524.80 : x
  2. Step 2: Convert to fraction form
    1,262,484.60/1,742,215.68 = 689,524.80/x
  3. Step 3: Cross multiply
    1,262,484.60x = 1,742,215.68 × 689,524.80
  4. Step 4: Simplify right side
    1,262,484.60x = 1,201,300,918,308.86
  5. Step 5: Solve for x
    x = 1,201,300,918,308.86/1,262,484.60
  6. Step 6: Final answer
    x = 951,537.09

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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.