Home / 1,262,491.66-1,742,211.54-689,534.14

Finding the Fourth Proportional to 1,262,491.66, 1,742,211.54 and 689,534.14

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Solution

The fourth proportional to 1,262,491.66, 1,742,211.54 and 689,534.14 is: 951,542.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,491.66 : 1,742,211.54 = 689,534.14 : x
  2. Step 2: Convert to fraction form
    1,262,491.66/1,742,211.54 = 689,534.14/x
  3. Step 3: Cross multiply
    1,262,491.66x = 1,742,211.54 × 689,534.14
  4. Step 4: Simplify right side
    1,262,491.66x = 1,201,314,335,931.98
  5. Step 5: Solve for x
    x = 1,201,314,335,931.98/1,262,491.66
  6. Step 6: Final answer
    x = 951,542.39

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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.