Home / 1,296,005.40-1,944,008.10-587,417.40

Finding the Fourth Proportional to 1,296,005.40, 1,944,008.10 and 587,417.40

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Solution

The fourth proportional to 1,296,005.40, 1,944,008.10 and 587,417.40 is: 881,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,005.40 : 1,944,008.10 = 587,417.40 : x
  2. Step 2: Convert to fraction form
    1,296,005.40/1,944,008.10 = 587,417.40/x
  3. Step 3: Cross multiply
    1,296,005.40x = 1,944,008.10 × 587,417.40
  4. Step 4: Simplify right side
    1,296,005.40x = 1,141,944,183,680.94
  5. Step 5: Solve for x
    x = 1,141,944,183,680.94/1,296,005.40
  6. Step 6: Final answer
    x = 881,126.10

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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.