Home / 1,565,217.09-2,160,034.20-876,939.84

Finding the Fourth Proportional to 1,565,217.09, 2,160,034.20 and 876,939.84

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Solution

The fourth proportional to 1,565,217.09, 2,160,034.20 and 876,939.84 is: 1,210,196.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,217.09 : 2,160,034.20 = 876,939.84 : x
  2. Step 2: Convert to fraction form
    1,565,217.09/2,160,034.20 = 876,939.84/x
  3. Step 3: Cross multiply
    1,565,217.09x = 2,160,034.20 × 876,939.84
  4. Step 4: Simplify right side
    1,565,217.09x = 1,894,220,045,742.53
  5. Step 5: Solve for x
    x = 1,894,220,045,742.53/1,565,217.09
  6. Step 6: Final answer
    x = 1,210,196.37

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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.