Home / 1,293,676.40-1,940,514.60-655,947.20

Finding the Fourth Proportional to 1,293,676.40, 1,940,514.60 and 655,947.20

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Solution

The fourth proportional to 1,293,676.40, 1,940,514.60 and 655,947.20 is: 983,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,676.40 : 1,940,514.60 = 655,947.20 : x
  2. Step 2: Convert to fraction form
    1,293,676.40/1,940,514.60 = 655,947.20/x
  3. Step 3: Cross multiply
    1,293,676.40x = 1,940,514.60 × 655,947.20
  4. Step 4: Simplify right side
    1,293,676.40x = 1,272,875,118,429.12
  5. Step 5: Solve for x
    x = 1,272,875,118,429.12/1,293,676.40
  6. Step 6: Final answer
    x = 983,920.80

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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.