Home / 1,561,714.94-2,155,151.40-873,379.10

Finding the Fourth Proportional to 1,561,714.94, 2,155,151.40 and 873,379.10

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Solution

The fourth proportional to 1,561,714.94, 2,155,151.40 and 873,379.10 is: 1,205,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,714.94 : 2,155,151.40 = 873,379.10 : x
  2. Step 2: Convert to fraction form
    1,561,714.94/2,155,151.40 = 873,379.10/x
  3. Step 3: Cross multiply
    1,561,714.94x = 2,155,151.40 × 873,379.10
  4. Step 4: Simplify right side
    1,561,714.94x = 1,882,264,190,095.74
  5. Step 5: Solve for x
    x = 1,882,264,190,095.74/1,561,714.94
  6. Step 6: Final answer
    x = 1,205,254.65

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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.