Home / 1,605,929.09-2,215,977.85-917,645.46

Finding the Fourth Proportional to 1,605,929.09, 2,215,977.85 and 917,645.46

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Solution

The fourth proportional to 1,605,929.09, 2,215,977.85 and 917,645.46 is: 1,266,234.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,929.09 : 2,215,977.85 = 917,645.46 : x
  2. Step 2: Convert to fraction form
    1,605,929.09/2,215,977.85 = 917,645.46/x
  3. Step 3: Cross multiply
    1,605,929.09x = 2,215,977.85 × 917,645.46
  4. Step 4: Simplify right side
    1,605,929.09x = 2,033,482,006,350.20
  5. Step 5: Solve for x
    x = 2,033,482,006,350.20/1,605,929.09
  6. Step 6: Final answer
    x = 1,266,234.00

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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.