Home / 1,017,645.21-1,526,500.22-511,929.81

Finding the Fourth Proportional to 1,017,645.21, 1,526,500.22 and 511,929.81

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Solution

The fourth proportional to 1,017,645.21, 1,526,500.22 and 511,929.81 is: 767,911.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,645.21 : 1,526,500.22 = 511,929.81 : x
  2. Step 2: Convert to fraction form
    1,017,645.21/1,526,500.22 = 511,929.81/x
  3. Step 3: Cross multiply
    1,017,645.21x = 1,526,500.22 × 511,929.81
  4. Step 4: Simplify right side
    1,017,645.21x = 781,460,965,029.91
  5. Step 5: Solve for x
    x = 781,460,965,029.91/1,017,645.21
  6. Step 6: Final answer
    x = 767,911.01

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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.