Home / 1,296,534.40-1,943,246.40-665,123.20

Finding the Fourth Proportional to 1,296,534.40, 1,943,246.40 and 665,123.20

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Solution

The fourth proportional to 1,296,534.40, 1,943,246.40 and 665,123.20 is: 996,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,534.40 : 1,943,246.40 = 665,123.20 : x
  2. Step 2: Convert to fraction form
    1,296,534.40/1,943,246.40 = 665,123.20/x
  3. Step 3: Cross multiply
    1,296,534.40x = 1,943,246.40 × 665,123.20
  4. Step 4: Simplify right side
    1,296,534.40x = 1,292,498,263,956.48
  5. Step 5: Solve for x
    x = 1,292,498,263,956.48/1,296,534.40
  6. Step 6: Final answer
    x = 996,886.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.