Home / 1,528,893.57-2,109,819.98-985,052.28

Finding the Fourth Proportional to 1,528,893.57, 2,109,819.98 and 985,052.28

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Solution

The fourth proportional to 1,528,893.57, 2,109,819.98 and 985,052.28 is: 1,359,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,893.57 : 2,109,819.98 = 985,052.28 : x
  2. Step 2: Convert to fraction form
    1,528,893.57/2,109,819.98 = 985,052.28/x
  3. Step 3: Cross multiply
    1,528,893.57x = 2,109,819.98 × 985,052.28
  4. Step 4: Simplify right side
    1,528,893.57x = 2,078,282,984,151.19
  5. Step 5: Solve for x
    x = 2,078,282,984,151.19/1,528,893.57
  6. Step 6: Final answer
    x = 1,359,337.91

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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.