Home / 1,590,520.57-2,194,940.90-865,368.79

Finding the Fourth Proportional to 1,590,520.57, 2,194,940.90 and 865,368.79

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Solution

The fourth proportional to 1,590,520.57, 2,194,940.90 and 865,368.79 is: 1,194,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,520.57 : 2,194,940.90 = 865,368.79 : x
  2. Step 2: Convert to fraction form
    1,590,520.57/2,194,940.90 = 865,368.79/x
  3. Step 3: Cross multiply
    1,590,520.57x = 2,194,940.90 × 865,368.79
  4. Step 4: Simplify right side
    1,590,520.57x = 1,899,433,350,754.51
  5. Step 5: Solve for x
    x = 1,899,433,350,754.51/1,590,520.57
  6. Step 6: Final answer
    x = 1,194,221.18

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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.